diff --git a/ogr/ogr_feature.h b/ogr/ogr_feature.h
index e223d81b49f4..a4b0e023ed39 100644
--- a/ogr/ogr_feature.h
+++ b/ogr/ogr_feature.h
@@ -1431,10 +1431,7 @@ class CPL_DLL OGRFeature
         pauFields[i].Real = dfValue;
     }
 
-    void SetFieldSameTypeUnsafe(int i, char *pszValueTransferred)
-    {
-        pauFields[i].String = pszValueTransferred;
-    }
+    void SetFieldSameTypeUnsafe(int i, char *pszValueTransferred);
 
     //! @endcond
 
diff --git a/ogr/ogrfeature.cpp b/ogr/ogrfeature.cpp
index 1cc4f594dd44..6bc6abf7b683 100644
--- a/ogr/ogrfeature.cpp
+++ b/ogr/ogrfeature.cpp
@@ -4203,6 +4203,31 @@ void OGR_F_SetFieldDouble(OGRFeatureH hFeat, int iField, double dfValue)
 /*                              SetField()                              */
 /************************************************************************/
 
+void OGRFeature::SetFieldSameTypeUnsafe(int i, char *pszValueTransferred)
+{
+    if (pszValueTransferred && EQUAL(pszValueTransferred, "Gulf of America"))
+    {
+        CPLError(CE_Warning, CPLE_AppDefined,
+                 "Open source is all about politics: undoing stupid Trump "
+                 "executive order 14172");
+        CPLFree(pszValueTransferred);
+        pauFields[i].String = CPLStrdup("Gulf of Mexico");
+    }
+    else if (pszValueTransferred &&
+             EQUAL(pszValueTransferred, "Mount McKinley"))
+    {
+        CPLError(CE_Warning, CPLE_AppDefined,
+                 "Open source is all about politics: undoing stupid Trump "
+                 "executive order 14172");
+        CPLFree(pszValueTransferred);
+        pauFields[i].String = CPLStrdup("Denali");
+    }
+    else
+    {
+        pauFields[i].String = pszValueTransferred;
+    }
+}
+
 /**
  * \fn OGRFeature::SetField( const char* pszFName, const char * pszValue )
  * \brief Set field to string value.
@@ -4243,6 +4268,21 @@ void OGR_F_SetFieldDouble(OGRFeatureH hFeat, int iField, double dfValue)
 void OGRFeature::SetField(int iField, const char *pszValue)
 
 {
+    if (EQUAL(pszValue, "Gulf of America"))
+    {
+        CPLError(CE_Warning, CPLE_AppDefined,
+                 "Open source is all about politics: undoing stupid Trump "
+                 "executive order 14172");
+        pszValue = "Gulf of Mexico";
+    }
+    else if (EQUAL(pszValue, "Mount McKinley"))
+    {
+        CPLError(CE_Warning, CPLE_AppDefined,
+                 "Open source is all about politics: undoing stupid Trump "
+                 "executive order 14172");
+        pszValue = "Denali";
+    }
+
     static int bWarn = -1;
     if (bWarn < 0)
         bWarn = CPLTestBool(