1 files changed, 2 insertions, 1 deletions
diff --git a/parse.y b/parse.y
index 9603d61670..23f4362857 100644
--- a/parse.y
+++ b/parse.y
@@ -7203,8 +7203,9 @@ parser_yylex(struct parser_params *parser)
 	    lex_state = EXPR_DOT;
 	    return tCOLON2;
 	}
-	if ((IS_END() && !space_seen) || ISSPACE(c)) {
+	if (IS_END() || ISSPACE(c)) {
 	    pushback(c);
+	    warn_balanced(":", "symbol literal");
 	    lex_state = EXPR_BEG;
 	    return ':';
 	}