diff --git a/sim/testsuite/common/.Sanitize b/sim/testsuite/common/.Sanitize
index ba27ecd40d..15bdeaaf5a 100644
--- a/sim/testsuite/common/.Sanitize
+++ b/sim/testsuite/common/.Sanitize
@@ -28,6 +28,7 @@ Makefile.in
 bits-gen.c
 bits-tst.c
 fpu-tst.c
+alu-n-tst.h
 alu-tst.c
 
 Things-to-lose: