diff --git a/lib/Makefile.am b/lib/Makefile.am
index f3f56a05ef..0e56aec279 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -146,7 +146,7 @@ libcurl_la_SOURCES = $(CSOURCES) $(HHEADERS)
 libcurlu_la_SOURCES = $(CSOURCES) $(HHEADERS)
 
 checksrc:
-	@PERL@ $(top_srcdir)/lib/checksrc.pl -D$(top_srcdir)/lib -Wcurl_config.h *.[ch] vauth/*.[ch] vtls/*.[ch]
+	@@PERL@ $(top_srcdir)/lib/checksrc.pl -D$(top_srcdir)/lib -Wcurl_config.h *.[ch] vauth/*.[ch] vtls/*.[ch]
 
 if CURLDEBUG
 # for debug builds, we scan the sources on all regular make invokes