diff --git a/utils/Makefile b/utils/Makefile
index 121ac38a2249639aecfc417cbde23722aee4a069..6ea4fc581bf9cdab1d6f732dfe61e6710fd0f128 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -61,7 +61,7 @@ clean:
 	rm -f *.s *.i
 	rm -f md5.c strcompat.c ast_expr2.c ast_expr2f.c pbx_ael.c pval.c
 	rm -f aelparse.c aelbison.c conf2ael
-	rm -f utils.c sha1.c astobj2.c hashtest2
+	rm -f utils.c threadstorage.c sha1.c astobj2.c hashtest2
 
 md5.c: ../main/md5.c
 	@cp $< $@