diff --git a/winbuild/Makefile.vc b/winbuild/Makefile.vc
index cec9b14e7a..46919fc2d1 100644
--- a/winbuild/Makefile.vc
+++ b/winbuild/Makefile.vc
@@ -248,12 +248,12 @@ $(MODE):
 	@SET DIROBJ=$(LIBCURL_DIROBJ)
 	@SET MACRO_NAME=LIBCURL_OBJS
 	@SET OUTFILE=LIBCURL_OBJS.inc
-	@gen_resp_file.bat $(LIBCURL_OBJS)
+	@CALL gen_resp_file.bat $(LIBCURL_OBJS)
 
 	@SET DIROBJ=$(CURL_DIROBJ)
 	@SET MACRO_NAME=CURL_OBJS
 	@SET OUTFILE=CURL_OBJS.inc
-	@gen_resp_file.bat $(CURL_OBJS)
+	@CALL gen_resp_file.bat $(CURL_OBJS)
 
 	@SET CONFIG_NAME_LIB=$(CONFIG_NAME_LIB)
 	@SET MACHINE=$(MACHINE)