1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index e3c2bd1b6f42..88e5c15e1186 100644
--- a/Makefile
+++ b/Makefile
@@ -1141,7 +1141,7 @@ endif # CONFIG_BPF
 
 PHONY += prepare0
 
-extmod_prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
+export extmod_prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
 export MODORDER := $(extmod_prefix)modules.order
 export MODULES_NSDEPS := $(extmod_prefix)modules.nsdeps