diff --git a/tools/write-pkg-config b/tools/write-pkg-config
index e6b7d68..3f1d6fe 100755
--- a/tools/write-pkg-config
+++ b/tools/write-pkg-config
@@ -32,6 +32,6 @@ libdir=$libdir
 Name: lib$name
 Description: $description
 Version: $version
-Cflags: -I $incdir
-Libs: -L$libdir -l$name
+Libs: -L\${libdir} -l$name
+Cflags: -I\${includedir}
 EOF