diff --git a/pkgs/development/python-modules/pyqt/4.x.nix b/pkgs/development/python-modules/pyqt/4.x.nix
index b2d5b93d9f7..746cc747d72 100644
--- a/pkgs/development/python-modules/pyqt/4.x.nix
+++ b/pkgs/development/python-modules/pyqt/4.x.nix
@@ -28,9 +28,9 @@ stdenv.mkDerivation {
     ${python.executable} configure.py $configureFlags "''${configureFlagsArray[@]}"
   '';
 
-  buildInputs = [ python pkgconfig makeWrapper qt4 lndir ];
+  buildInputs = [ pkgconfig makeWrapper qt4 lndir ];
 
-  propagatedBuildInputs = [ pythonPackages.sip_4_16 ];
+  propagatedBuildInputs = [ pythonPackages.sip_4_16 python ];
 
   postInstall = ''
     for i in $out/bin/*; do
diff --git a/pkgs/development/python-modules/pyqt/5.x.nix b/pkgs/development/python-modules/pyqt/5.x.nix
index 7ec89ffd7ee..69fb6e266ea 100644
--- a/pkgs/development/python-modules/pyqt/5.x.nix
+++ b/pkgs/development/python-modules/pyqt/5.x.nix
@@ -20,11 +20,11 @@ in stdenv.mkDerivation {
   };
 
   buildInputs = [
-    python pkgconfig makeWrapper lndir
+    pkgconfig makeWrapper lndir
     qtbase qtsvg qtwebkit qmakeHook
   ];
 
-  propagatedBuildInputs = [ sip ];
+  propagatedBuildInputs = [ sip python ];
 
   configurePhase = ''
     runHook preConfigure