diff --git a/repos/libports/lib/import/import-qt5_qmake.mk b/repos/libports/lib/import/import-qt5_qmake.mk
index 22a3963334..0c84c2835c 100644
--- a/repos/libports/lib/import/import-qt5_qmake.mk
+++ b/repos/libports/lib/import/import-qt5_qmake.mk
@@ -50,6 +50,7 @@ GENODE_QMAKE_CFLAGS = \
 	-D__GENODE__ \
 	-ffunction-sections \
 	-fno-strict-aliasing \
+	-fconcepts \
 	$(CC_OPT_NOSTDINC) \
 	$(CC_MARCH) \
 	$(CC_OPT_PIC) \