--- a/backport-include/linux/interrupt.h
+++ b/backport-include/linux/interrupt.h
@@ -43,7 +43,7 @@
 
 #endif
 
-#if LINUX_VERSION_IS_LESS(5,9,0)
+#if LINUX_VERSION_IS_LESS(5,4,291)
 
 static inline void
 tasklet_setup(struct tasklet_struct *t,