diff --git a/build_tools/build_detect_platform b/build_tools/build_detect_platform
index 073953dd4..ef446bf7e 100755
--- a/build_tools/build_detect_platform
+++ b/build_tools/build_detect_platform
@@ -46,7 +46,13 @@ COMMON_FLAGS="-DROCKSDB_PLATFORM_POSIX"
 if [ -d /mnt/gvfs/third-party -a -z "$CXX" ]; then
     FBCODE_BUILD="true"
     if [ -z "$USE_CLANG" ]; then
-        source $PWD/build_tools/fbcode.gcc481.sh
+        CENTOS_VERSION=`rpm -q --qf "%{VERSION}" \
+          $(rpm -q --whatprovides redhat-release)`
+        if [ "$CENTOS_VERSION" = "6" ]; then
+          source $PWD/build_tools/fbcode.gcc481.sh
+        else
+          source $PWD/build_tools/fbcode.gcc471.sh
+        fi
     else
         source $PWD/build_tools/fbcode.clang31.sh
     fi