diff --git a/server/util_expr_parse.c b/server/util_expr_parse.c
index 8a0fbde523..ab03f011a6 100644
--- a/server/util_expr_parse.c
+++ b/server/util_expr_parse.c
@@ -1232,7 +1232,7 @@ YYSTYPE yylval YY_INITIAL_VALUE (= yyval_default);
   yychar = YYEMPTY; /* Cause a token to be read.  */
   goto yysetstate;
 
-  /* TODO: comppiler warning that this is unused, and it seems to */
+  /* TODO: compiler warning that this is unused, and it seems to */
   (void)yynerrs;
 /*------------------------------------------------------------.
 | yynewstate -- Push a new state, which is found in yystate.  |