diff --git a/paddle/fluid/framework/data_feed.cc b/paddle/fluid/framework/data_feed.cc
index 365c80da34eb287f50d2f0dcbf3844001ab43ec8..ec1d9ba845bbc70904aad620bf8c161fa54a6e42 100644
--- a/paddle/fluid/framework/data_feed.cc
+++ b/paddle/fluid/framework/data_feed.cc
@@ -546,7 +546,7 @@ bool MultiSlotDataFeed::CheckFile(const char* filename) {
         VLOG(0) << "please check line<" << instance_cout << "> in file<"
                 << filename << ">";
         return false;
-      } else if (errno == ERANGE || num > INT_MAX) {
+      } else if (errno == ERANGE || (unsigned int)num > INT_MAX) {
         VLOG(0) << "error: the number of ids greater than INT_MAX";
         VLOG(0) << "please check line<" << instance_cout << "> in file<"
                 << filename << ">";