diff --git a/src/debugger.c b/src/debugger.c
index 57a94a1..54bf6ba 100644
--- a/src/debugger.c
+++ b/src/debugger.c
@@ -594,7 +594,7 @@
 	bp->dbg_type = DBG_EXPR;
     else
     {
-	semsg(_(e_invarg2), p);
+	semsg(_(e_invalid_argument_str), p);
 	return FAIL;
     }
     p = skipwhite(p + 4);
@@ -619,7 +619,7 @@
 	    || (here && *p != NUL)
 	    || (bp->dbg_type == DBG_FUNC && strstr((char *)p, "()") != NULL))
     {
-	semsg(_(e_invarg2), arg);
+	semsg(_(e_invalid_argument_str), arg);
 	return FAIL;
     }