diff --git a/projects/vapoursynth.com/package.yml b/projects/vapoursynth.com/package.yml
index 9e38dbba..7191fc96 100644
--- a/projects/vapoursynth.com/package.yml
+++ b/projects/vapoursynth.com/package.yml
@@ -34,7 +34,7 @@ build:
     - run: ln -s python{{deps.python.org.version.marketing}} python{{deps.python.org.version.major}} || true
       working-directory: '{{prefix}}/lib'
     - run: sed -i
-        -e "s|$PKGX_DIR|\${prefix}/../..|g"
+        -e "s|{{pkgx.prefix}}|\${pcfiledir}/../../../..|g"
         -e "s|python.org/v{{deps.python.org.version}}|python.org/v{{deps.python.org.version.marketing}}|g"
         -e 's/\+brewing//g' *.pc
       working-directory: '{{prefix}}/lib/pkgconfig'