diff --git a/qt6-qt3d.spec b/qt6-qt3d.spec
index b70e31c..212bb0a 100644
--- a/qt6-qt3d.spec
+++ b/qt6-qt3d.spec
@@ -75,7 +75,7 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 
 %cmake_qt6 \
   -DQT_BUILD_EXAMPLES:BOOL=%{?examples:ON}%{!?examples:OFF} \
-  -DQT_FEATURE_qt3d_system_assimp=ON
+  -DQT_FEATURE_qt3d_system_assimp=%{?fedora:ON}%{!?fedora:OFF}
 
 %cmake_build