diff --git a/scripts/fish/os.fish b/scripts/fish/os.fish
index 8684bb6..67aa7f9 100644
--- a/scripts/fish/os.fish
+++ b/scripts/fish/os.fish
@@ -3,7 +3,7 @@ switch (uname)
       set -x CC clang
       set -x CXX clang++
    case Darwin
-      set -x Qt5_DIR /usr/local/opt/qt/
+      set -x CMAKE_PREFIX_PATH /usr/local/opt/qt/
       set -x DISTCC_HOSTS "192.168.1.2,cpp"
 end