diff --git a/pkgconfig.spec b/pkgconfig.spec
index 87cd17f..c1f3bba 100644
--- a/pkgconfig.spec
+++ b/pkgconfig.spec
@@ -9,7 +9,7 @@ Source:  http://www.freedesktop.org/software/pkgconfig/releases/pkg-config-%{ver
 # https://bugs.freedesktop.org/show_bug.cgi?id=2661 
 Patch4:  pkgconfig-0.15.0-overflow.patch
 Patch5:  pkgconfig-0.15.0-reqprov.patch
-Patch6:  pkgconfig-0.18.1-free.patch
+Patch6:  pkg-config-0.18.1-free.patch
 BuildRoot: %{_tmppath}/%{name}-root
 
 %description