diff --git a/haiku-libs/haikuwebkit/haikuwebkit-1.2.0.recipe b/haiku-libs/haikuwebkit/haikuwebkit-1.2.0.recipe
index 5f1adbb11..686c49e20 100644
--- a/haiku-libs/haikuwebkit/haikuwebkit-1.2.0.recipe
+++ b/haiku-libs/haikuwebkit/haikuwebkit-1.2.0.recipe
@@ -68,7 +68,7 @@ BUILD()
 	#	-DCMAKE_INSTALL_PREFIX=$prefix -DLIB_SUFFIX=/`echo $secondaryArchSuffix | tr -d _`
 	#make
 	Tools/Scripts/build-webkit --haiku --no-webkit2 \
-		--cmakearg="-DCMAKE_LIBRARY_PATH=`finddir B_SYSTEM_DEVELOP_DIRECTORY`/lib -DCMAKE_INSTALL_PREFIX=$portDir"
+		--cmakearg="-DCMAKE_LIBRARY_PATH=`finddir B_SYSTEM_DEVELOP_DIRECTORY`/lib -DCMAKE_INSTALL_PREFIX=$prefix"
 }
 
 INSTALL()