diff --git a/default.nix b/default.nix
index 61efe38..9fed78b 100644
--- a/default.nix
+++ b/default.nix
@@ -97,7 +97,7 @@ let
     dontBuild = true;
     dontConfigure = true;
     
-    installPhase = ''
+    installPhase = '' 
       mkdir -p $out/opt/usda-vision
       
       # Debug: show what's in source