diff --git a/include/net/checksum.h b/include/net/checksum.h
index 35d0fabd2782618603bcd051c34750db53b9742f..aef2b2bb6603fa5c308c7aca4c1ef9d47d6496f9 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -179,7 +179,7 @@ static inline __wsum remcsum_adjust(void *ptr, __wsum csum,
 
 static inline void remcsum_unadjust(__sum16 *psum, __wsum delta)
 {
-	*psum = csum_fold(csum_sub(delta, *psum));
+	*psum = csum_fold(csum_sub(delta, (__force __wsum)*psum));
 }
 
 #endif