diff --git a/trunk/src/kernel/srs_kernel_mp4.cpp b/trunk/src/kernel/srs_kernel_mp4.cpp
index 2251d080e..e79b9ba94 100644
--- a/trunk/src/kernel/srs_kernel_mp4.cpp
+++ b/trunk/src/kernel/srs_kernel_mp4.cpp
@@ -4095,7 +4095,7 @@ int SrsMp4Decoder::parse_ftyp(SrsMp4FileTypeBox* ftyp)
         SrsMp4BoxBrandISOM, SrsMp4BoxBrandISO2, SrsMp4BoxBrandAVC1, SrsMp4BoxBrandMP41,
         SrsMp4BoxBrandISO5
     };
-    for (int i = 0; i < (int)sizeof(legal_brands)/sizeof(SrsMp4BoxBrand); i++) {
+    for (int i = 0; i < (int)(sizeof(legal_brands)/sizeof(SrsMp4BoxBrand)); i++) {
         if (ftyp->major_brand == legal_brands[i]) {
             legal_brand = true;
             break;
diff --git a/trunk/src/service/srs_service_http_conn.cpp b/trunk/src/service/srs_service_http_conn.cpp
index 8c2500ed3..daf5edcc8 100644
--- a/trunk/src/service/srs_service_http_conn.cpp
+++ b/trunk/src/service/srs_service_http_conn.cpp
@@ -23,6 +23,7 @@
 
 #include <srs_service_http_conn.hpp>
 
+#include <stdlib.h>
 #include <sstream>
 using namespace std;