diff --git a/pkgtool.pm b/pkgtool.pm
index 5908d1d..9afd97b 100644
--- a/pkgtool.pm
+++ b/pkgtool.pm
@@ -2874,7 +2874,7 @@ sub assess_patch ($$$$$$$$$)
 	my $pkgname = $$vars{pkgname};
 	my $patches = $$db{Patches};
 	my $pkgs = $$db{Pkgs};
-	my $patchdbname = $kb =~ /^([^\/]+)\.*$/o ? $1 : $kb;
+	my $patchdbname = $kb =~ /^([^\/]+)/o ? $1 : $kb;
 	my $foundpatch = $$patches{$patchdbname};
 	my $foundpkg = defined $pkgname ? $$pkgs{$pkgname} : undef;
 	if (defined $foundpkg) {