diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 9c6c4475524b..bb08149179e4 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -246,7 +246,7 @@ $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-flex.h: util/parse-
 
 $(OUTPUT)util/parse-events-bison.c $(OUTPUT)util/parse-events-bison.h: util/parse-events.y
 	$(call rule_mkdir)
-	$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) \
+	$(Q)$(call echo-cmd,bison)$(BISON) -v $< -d $(PARSER_DEBUG_BISON) $(BISON_FILE_PREFIX_MAP) $(BISON_FALLBACK_FLAGS) \
 		-o $(OUTPUT)util/parse-events-bison.c -p parse_events_
 
 $(OUTPUT)util/expr-flex.c $(OUTPUT)util/expr-flex.h: util/expr.l $(OUTPUT)util/expr-bison.c
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 75778d5be5b6..83adb0c2a6bc 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1973,8 +1973,11 @@ int parse_events_name(struct list_head *list, const char *name)
 	struct evsel *evsel;
 
 	__evlist__for_each_entry(list, evsel) {
-		if (!evsel->name)
+		if (!evsel->name) {
 			evsel->name = strdup(name);
+			if (!evsel->name)
+				return -ENOMEM;
+		}
 	}
 
 	return 0;
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index b09a5fa92144..3ee351768433 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -263,7 +263,7 @@ PE_EVENT_NAME event_def
 	free($1);
 	if (err) {
 		free_list_evsel($2);
-		YYABORT;
+		YYNOMEM;
 	}
 	$$ = $2;
 }