diff --git a/pkgs/development/libraries/qt-5/5.5/qtenginio.nix b/pkgs/development/libraries/qt-5/5.5/qtenginio.nix
index b860a73ef890..503a0f7ce4f5 100644
--- a/pkgs/development/libraries/qt-5/5.5/qtenginio.nix
+++ b/pkgs/development/libraries/qt-5/5.5/qtenginio.nix
@@ -3,4 +3,7 @@
 qtSubmodule {
   name = "qtenginio";
   qtInputs = [ qtdeclarative ];
+  postFixup = ''
+    fixQtModuleCMakeConfig "Enginio"
+  '';
 }