diff --git a/freecad.spec b/freecad.spec
index 2ba1179..351302c 100644
--- a/freecad.spec
+++ b/freecad.spec
@@ -150,7 +150,7 @@ export Qt5_DIR=/opt/qt5/5.15
 	-DCMAKE_CXX_COMPILER=/opt/llvm17/bin/clang++ \
     -DCMAKE_C_COMPILER=/opt/llvm17/bin/clang \
     -DQTDIR=/opt/qt5/5.15 \
-    -Dexport Qt5_DIR=/opt/qt5/5.15 \
+    -DQt5_DIR=/opt/qt5/5.15 \
     -DBUILD_QT5=ON
 
 %make