diff --git a/Source/NSGraphicsContext.m b/Source/NSGraphicsContext.m
index 1426aac59..a4b1b0b16 100644
--- a/Source/NSGraphicsContext.m
+++ b/Source/NSGraphicsContext.m
@@ -2278,4 +2278,9 @@ NSGraphicsContext	*GSCurrentContext()
 {
   [self subclassResponsibility: _cmd];
 }
+
+- (void) DPSsetinputstate: (int)win : (int)st 
+{
+  [self subclassResponsibility: _cmd];
+}
 @end