diff --git a/src/cc65/coptstop.c b/src/cc65/coptstop.c
index 7686a7e70..c632fd5fe 100644
--- a/src/cc65/coptstop.c
+++ b/src/cc65/coptstop.c
@@ -651,6 +651,7 @@ static int HarmlessCall (const char* Name)
     static const char* Tab[] = {
         "ldaxidx",
         "ldaxysp",
+        "negax",
     };
 
     void* R = bsearch (Name,