diff --git a/tools/binpac/src/pac_parse.yy b/tools/binpac/src/pac_parse.yy
index 58d66b8808..5bf3c96434 100644
--- a/tools/binpac/src/pac_parse.yy
+++ b/tools/binpac/src/pac_parse.yy
@@ -1089,5 +1089,6 @@ int yyerror(const char msg[])
 	fprintf(stderr, " (yychar=%d)", yychar);
 	fprintf(stderr, "\n");
 
+	delete[] msgbuf;
 	return 0;
         }