diff --git a/kmod/core/Makefile b/kmod/core/Makefile
index a47b7af..44e88c7 100644
--- a/kmod/core/Makefile
+++ b/kmod/core/Makefile
@@ -19,5 +19,7 @@ clean:
 
 
 # kbuild rules
+ifdef CONFIG_HAVE_FENTRY
 obj-m := kpatch.o
 kpatch-y := core.o
+endif