diff --git a/server-connection/src/main/java/org/sonarsource/sonarlint/core/serverconnection/ServerUpdaterUtils.java b/server-connection/src/main/java/org/sonarsource/sonarlint/core/serverconnection/ServerUpdaterUtils.java
index 6637b122dd..b054bdc9a7 100644
--- a/server-connection/src/main/java/org/sonarsource/sonarlint/core/serverconnection/ServerUpdaterUtils.java
+++ b/server-connection/src/main/java/org/sonarsource/sonarlint/core/serverconnection/ServerUpdaterUtils.java
@@ -31,7 +31,7 @@ public class ServerUpdaterUtils {
    */
   public static Optional<Instant> computeLastSync(Set<Language> enabledLanguages, Optional<Instant> lastSync,
     Set<Language> lastEnabledLanguages) {
-    if (!lastEnabledLanguages.isEmpty() && (!lastEnabledLanguages.equals(enabledLanguages))) {
+    if (lastEnabledLanguages.isEmpty() || (!lastEnabledLanguages.equals(enabledLanguages))) {
       lastSync = Optional.empty();
     }
     return lastSync;
diff --git a/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerHotspotUpdaterTest.java b/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerHotspotUpdaterTest.java
index fd0764901e..17aeb1702e 100644
--- a/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerHotspotUpdaterTest.java
+++ b/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerHotspotUpdaterTest.java
@@ -20,6 +20,7 @@
 package org.sonarsource.sonarlint.core.serverconnection;
 
 import java.time.Instant;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
@@ -186,4 +187,25 @@ void update_hotspots_with_pull_when_enabled_language_changed() {
     assertThat(capturedHotspot.getKey()).isEqualTo(hotspotKey);
     verify(hotspotDownloader).downloadFromPull(eq(hotspotApi), eq(projectBinding.projectKey()), eq("branch"), eq(Optional.empty()));
   }
+
+  @Test
+  void update_hotspots_with_pull_when_last_enabled_language_were_not_there() {
+    var timestamp = Instant.ofEpochMilli(123456789L);
+    var lastHotspotEnabledLanguages = new HashSet<Language>();
+    var hotspotKey = "hotspotKey";
+    var hotspots = List.of(aServerHotspot(hotspotKey));
+    when(hotspotDownloader.downloadFromPull(hotspotApi, PROJECT_KEY, "branch", Optional.empty()))
+      .thenReturn(new HotspotDownloader.PullResult(timestamp, hotspots, Set.of()));
+    when(issueStore.getLastHotspotEnabledLanguages("branch")).thenReturn(lastHotspotEnabledLanguages);
+    when(issueStore.getLastHotspotSyncTimestamp("branch")).thenReturn(Optional.of(timestamp));
+
+    updater.sync(hotspotApi, PROJECT_KEY, "branch", Set.of(Language.C, Language.GO));
+
+    var hotspotCaptor = ArgumentCaptor.forClass(List.class);
+    verify(issueStore).mergeHotspots(eq("branch"), hotspotCaptor.capture(), eq(Set.of()), eq(timestamp), anySet());
+    assertThat(hotspotCaptor.getValue()).hasSize(1);
+    var capturedHotspot = (ServerHotspot) (hotspotCaptor.getValue().get(0));
+    assertThat(capturedHotspot.getKey()).isEqualTo(hotspotKey);
+    verify(hotspotDownloader).downloadFromPull(eq(hotspotApi), eq(projectBinding.projectKey()), eq("branch"), eq(Optional.empty()));
+  }
 }
diff --git a/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerIssueUpdaterTest.java b/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerIssueUpdaterTest.java
index c7963e9611..1875fdc80b 100644
--- a/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerIssueUpdaterTest.java
+++ b/server-connection/src/test/java/org/sonarsource/sonarlint/core/serverconnection/ServerIssueUpdaterTest.java
@@ -21,9 +21,11 @@
 
 import java.time.Instant;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Optional;
 import java.util.Set;
+import kotlin.collections.EmptySet;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.sonarsource.sonarlint.core.commons.Language;
@@ -112,7 +114,10 @@ void update_project_issues_with_pull_using_last_sync() {
     List<ServerIssue> issues = Collections.singletonList(issue);
     var queryTimestamp = Instant.now();
     var lastSync = Optional.of(Instant.ofEpochMilli(123456789));
+    var lastIssueEnabledLanguages = Set.of(Language.C, Language.GO);
+    when(issueStore.getLastIssueEnabledLanguages("master")).thenReturn(lastIssueEnabledLanguages);
     when(issueStore.getLastIssueSyncTimestamp("master")).thenReturn(lastSync);
+    when(downloader.getEnabledLanguages()).thenReturn(Set.of(Language.C, Language.GO));
     when(downloader.downloadFromPull(serverApi, projectBinding.projectKey(), "master", lastSync)).thenReturn(new IssueDownloader.PullResult(queryTimestamp, issues, Set.of()));
 
     updater.update(serverApi, projectBinding.projectKey(), "master", false, IssueApi.MIN_SQ_VERSION_SUPPORTING_PULL);
@@ -120,6 +125,21 @@ void update_project_issues_with_pull_using_last_sync() {
     verify(issueStore).mergeIssues(eq("master"), anyList(), anySet(), eq(queryTimestamp), anySet());
   }
 
+  @Test
+  void update_project_issues_with_pull_when_there_were_no_enabled_languages() {
+    var issue = aServerIssue();
+    List<ServerIssue> issues = Collections.singletonList(issue);
+    var queryTimestamp = Instant.now();
+    var lastSync = Optional.of(Instant.ofEpochMilli(123456789));
+    var lastIssueEnabledLanguages = new HashSet<Language>();
+    when(issueStore.getLastIssueSyncTimestamp("master")).thenReturn(lastSync);
+    when(issueStore.getLastIssueEnabledLanguages("master")).thenReturn(lastIssueEnabledLanguages);
+    when(downloader.getEnabledLanguages()).thenReturn(Set.of(Language.C));
+    when(downloader.downloadFromPull(serverApi, projectBinding.projectKey(), "master", Optional.empty())).thenReturn(new IssueDownloader.PullResult(queryTimestamp, issues, Set.of()));
+    updater.update(serverApi, projectBinding.projectKey(), "master", false, IssueApi.MIN_SQ_VERSION_SUPPORTING_PULL);
+    verify(downloader).downloadFromPull(eq(serverApi), eq(projectBinding.projectKey()), eq("master"), eq(Optional.empty()));
+  }
+
   @Test
   void update_project_issues_with_pull_when_enabled_language_changed() {
     var issue = aServerIssue();
@@ -150,6 +170,21 @@ void update_project_issues_with_pull_when_enabled_language_not_changed() {
     verify(downloader).downloadFromPull(eq(serverApi), eq(projectBinding.projectKey()), eq("master"), eq(lastSync));
   }
 
+  @Test
+  void update_project_taints_with_pull_when_there_were_no_enabled_languages() {
+    var issue = aServerTaintIssue();
+    List<ServerTaintIssue> issues = Collections.singletonList(issue);
+    var queryTimestamp = Instant.now();
+    var lastSync = Optional.of(Instant.ofEpochMilli(123456789));
+    var lastIssueEnabledLanguages = new HashSet<Language>();
+    when(issueStore.getLastTaintSyncTimestamp("master")).thenReturn(lastSync);
+    when(issueStore.getLastTaintEnabledLanguages("master")).thenReturn(lastIssueEnabledLanguages);
+    when(taintDownloader.downloadTaintFromPull(serverApi, projectBinding.projectKey(), "master", Optional.empty())).thenReturn(new TaintIssueDownloader.PullTaintResult(queryTimestamp, issues, Set.of()));
+
+    updater.syncTaints(serverApi, projectBinding.projectKey(), "master", Set.of(Language.C));
+    verify(taintDownloader).downloadTaintFromPull(eq(serverApi), eq(projectBinding.projectKey()), eq("master"), eq(Optional.empty()));
+  }
+
   @Test
   void update_project_taints_with_pull_when_enabled_language_changed() {
     var issue = aServerTaintIssue();