diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index f3d3fb42b873..7036ae306db6 100755
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -188,7 +188,7 @@ sub read_kconfig {
 	$cont = 0;
 
 	# collect any Kconfig sources
-	if (/^source\s*"(.*)"/) {
+	if (/^source\s+"?([^"]+)/) {
 	    my $kconfig = $1;
 	    # prevent reading twice.
 	    if (!defined($read_kconfigs{$kconfig})) {