diff --git a/Headers/Additions/GNUstepGUI/GSDisplayServer.h b/Headers/Additions/GNUstepGUI/GSDisplayServer.h
index 2df8f16e4..469ad0c7c 100644
--- a/Headers/Additions/GNUstepGUI/GSDisplayServer.h
+++ b/Headers/Additions/GNUstepGUI/GSDisplayServer.h
@@ -116,6 +116,14 @@ APPKIT_EXPORT NSString *GSScreenNumber;
 /* Screen capture */ 
 - (NSImage *) contentsOfScreen: (int)screen inRect: (NSRect)rect;
 
+/* Desktops (workspaces) */
+- (unsigned int) numberOfDesktops: (int)screen;
+- (NSArray *) namesOfDesktops: (int)screen;
+- (unsigned int) desktopNumberForScreen: (int)screen;
+- (void) setDesktopNumber: (unsigned int)workspace forScreen: (int)screen;
+- (unsigned int) desktopNumberForWindow: (int)win;
+- (void) setDesktopNumber: (unsigned int)workspace forWindow: (int)win;
+
 @end
 
 /* ----------------------------------------------------------------------- */
diff --git a/Source/GSDisplayServer.m b/Source/GSDisplayServer.m
index f752c18ec..a5551c614 100644
--- a/Source/GSDisplayServer.m
+++ b/Source/GSDisplayServer.m
@@ -950,6 +950,35 @@ GSCurrentServer(void)
   // Do nothing if not overridden by subclass
 }
 
+- (unsigned int) numberOfDesktops: (int)screen
+{
+  [self subclassResponsibility: _cmd];
+  return 1;
+}
+- (NSArray *) namesOfDesktops: (int)screen
+{
+  [self subclassResponsibility: _cmd];
+  return nil;
+}
+- (unsigned int) desktopNumberForScreen: (int)screen
+{
+  [self subclassResponsibility: _cmd];
+  return 0;
+}
+- (void) setDesktopNumber: (unsigned int)workspace forScreen: (int)screen
+{
+  // Do nothing if not overridden by subclass
+}
+- (unsigned int) desktopNumberForWindow: (int)win
+{
+  [self subclassResponsibility: _cmd];
+  return 0;
+}
+- (void) setDesktopNumber: (unsigned int)workspace forWindow: (int)win
+{
+  // Do nothing if not overridden by subclass
+}
+
 @end
 
 /* ----------------------------------------------------------------------- */