diff --git a/Makefile.in b/Makefile.in
index 3b3842eaf..159a37de3 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -418,6 +418,6 @@ srcrpm: swig.spec
 	cp swig.spec $(srpm)
 	tar -cf - $(srpm) | gzip --best > $(srpm).tar.gz
 	rm -fr $(srpm)
-	rpm -ts $(srpm).tar.gz
+	rpmbuild -ts $(srpm).tar.gz
 
 # Makefile ends here