diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index ff20f07bd..a70f28dfc 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -779,7 +779,7 @@ CTAGS:
 	--regex-C++='/EXPORT_ALIAS *\([a-zA-Z0-9_]*, *([a-zA-Z0-9_]*)\)/\1/' \
 	--regex-C++='/_EXFUN *\(([a-zA-Z0-9_]+) ?[,\)]/\1/' \
 	--regex-C++='/_EXFUN *\([^,]* ([a-zA-Z0-9_]+) ?[,\)]/\1/' \
-	--regex-C++='/__ASMNAME *\("([a-zA-Z0-9_]*)"\)/\1/' \
+	--regex-C++='/__ASMNAME *\("([a-zA-Z0-9_]+)"\)/\1/' \
 	@newlib_headers@ .
 
 deps:=${wildcard *.d}