diff --git a/pkgs/development/python-modules/pillow-jpls/default.nix b/pkgs/development/python-modules/pillow-jpls/default.nix
index 7aebaf432c00..a55d6d6740e6 100644
--- a/pkgs/development/python-modules/pillow-jpls/default.nix
+++ b/pkgs/development/python-modules/pillow-jpls/default.nix
@@ -67,7 +67,7 @@ buildPythonPackage rec {
 
   pypaBuildFlags = [
     "-C"
-    "cmake.args='--preset=sysdeps'"
+    "cmake.args=--preset=sysdeps"
   ];
 
   nativeCheckInputs = [ pytestCheckHook ];