diff --git a/python-qt5.spec b/python-qt5.spec
index 10f6a2bac972cb6a983097b781397de6267afcea..c55b9537318cb1fd565e976ad086031f3eb7b48e 100644
--- a/python-qt5.spec
+++ b/python-qt5.spec
@@ -125,6 +125,8 @@ pushd %{_target_platform}-python3
   %{?py3_sipdir:--sipdir=%{py3_sipdir}} --verbose QMAKE_CFLAGS_RELEASE="%{optflags}" \
   QMAKE_CXXFLAGS_RELEASE="%{optflags} `pkg-config --cflags dbus-python`"\
   QMAKE_LFLAGS_RELEASE="%{?__global_ldflags}"
+export C_INCLUDE_PATH=C_INCLUDE_PATH:%{_includedir}/python%{python3_version}
+export CPLUS_INCLUDE_PATH=CPLUS_INCLUDE_PATH:%{_includedir}/python%{python3_version}
 %make_build
 popd