diff --git a/Makefile b/Makefile
index 0e9ea36..95bd869 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ sent: ${OBJ}
 
 cscope: ${SRC} config.h
 	@echo cScope
-	@cscope -R -b
+	@cscope -R -b || echo cScope not installed
 
 clean:
 	@echo cleaning