diff --git a/Source/Client/Event.c b/Source/Client/Event.c
index f6682d59..c756afe4 100755
--- a/Source/Client/Event.c
+++ b/Source/Client/Event.c
@@ -544,7 +544,12 @@ float CSQC_InputEvent( float fEventType, float fKey, float fCharacter, float fDe
 	} else if ( fEventType == IE_MOUSEABS ) {
 		vMousePos_x = fKey;
 		vMousePos_y = fCharacter;
-	} 
+	} else if ( fEventType == IE_MOUSEDELTA ) {
+		vMousePos_x += fKey;
+		vMousePos_y += fCharacter;
+	} else {
+		return FALSE;
+	}
 	
 	return FALSE;
 }
diff --git a/freecs/csprogs.dat b/freecs/csprogs.dat
index fadcf334..9e2e4c6c 100644
Binary files a/freecs/csprogs.dat and b/freecs/csprogs.dat differ