diff --git a/Source/NSOpenPanel.m b/Source/NSOpenPanel.m
index ee1e6055d..7b00e8d18 100644
--- a/Source/NSOpenPanel.m
+++ b/Source/NSOpenPanel.m
@@ -125,7 +125,7 @@ static NSOpenPanel *_gs_gui_open_panel = nil;
       else
 	{
 	  [_form abortEditing];
-	  [[_form cellAtIndex: 0] setStringValue:nil];
+	  [[_form cellAtIndex: 0] setStringValue:@""];
 	  //	  [_form selectTextAtIndex:0];
 	  [_form setNeedsDisplay:YES];
 	  [_okButton setEnabled:YES];
diff --git a/Source/NSSavePanel.m b/Source/NSSavePanel.m
index c266bf534..7bdbe4742 100644
--- a/Source/NSSavePanel.m
+++ b/Source/NSSavePanel.m
@@ -863,7 +863,7 @@ static BOOL _gs_display_reading_progress = NO;
     case NSLeftArrowFunctionKey:
     case NSRightArrowFunctionKey:
       [_form abortEditing];
-      [[_form cellAtIndex:0] setStringValue:nil];
+      [[_form cellAtIndex:0] setStringValue: @""];
       [_browser keyDown:theEvent];
       break;
     }