diff --git a/jvcl/run/JvFullColorCtrls.pas b/jvcl/run/JvFullColorCtrls.pas
index f336b86e4f..336ca10a70 100644
--- a/jvcl/run/JvFullColorCtrls.pas
+++ b/jvcl/run/JvFullColorCtrls.pas
@@ -743,7 +743,7 @@ implementation
   RTLConsts, TypInfo, Forms,
   JclMath, JclLogic, // For EnsureRange and Min/Max
   {$IFDEF HAS_UNIT_SYSTEM_UITYPES}
-  UITypes,
+  System.UITypes,
   {$ENDIF}
   JvResources, JvConsts, JvJVCLUtils;
 
diff --git a/jvcl/run/JvGIF.pas b/jvcl/run/JvGIF.pas
index e50ef1d767..20d7d31bad 100644
--- a/jvcl/run/JvGIF.pas
+++ b/jvcl/run/JvGIF.pas
@@ -34,7 +34,7 @@ interface
   JclUnitVersioning,
   {$ENDIF UNITVERSIONING}
   {$IFDEF HAS_UNIT_SYSTEM_UITYPES}
-  UITypes,
+  System.UITypes,
   {$ENDIF}
   Windows, RTLConsts, SysUtils, Classes, Graphics, Controls;
 
diff --git a/jvcl/run/JvHLEditor.pas b/jvcl/run/JvHLEditor.pas
index d0459d4c95..e13a02684c 100644
--- a/jvcl/run/JvHLEditor.pas
+++ b/jvcl/run/JvHLEditor.pas
@@ -97,7 +97,7 @@ interface
   {$ENDIF UNITVERSIONING}
   SysUtils, Classes, Graphics,
   {$IFDEF HAS_UNIT_SYSTEM_UITYPES}
-  UITypes,
+  System.UITypes,
   {$ENDIF}
   JvEditor, JvEditorCommon, JvHLParser;