diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index cc40cbd5e9f8..8db2f845f65d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9053,7 +9053,7 @@ let
 
   pysideTools = pythonPackages.pysideTools;
 
-  pysideShiboken = pythonpackages.pysideShiboken;
+  pysideShiboken = pythonPackages.pysideShiboken;
 
   pyxml = callPackage ../development/python-modules/pyxml { };