diff --git a/cmd.sh.in b/cmd.sh.in
index 290d858..8b3a6e1 100755
--- a/cmd.sh.in
+++ b/cmd.sh.in
@@ -7,6 +7,7 @@ export BINARY_PATH="@CMAKE_BINARY_DIR@/bin"
 export CPPFLAGS="$CPPFLAGS -I$INCLUDE_PATH"
 
 if [ "@APPLE@" = "1" ]; then
+  export SDKROOT="@CMAKE_OSX_SYSROOT@"
   export LDFLAGS="$LDFLAGS @CMD_LDFLAGS@"
   export CXXFLAGS="$CXXFLAGS @CMD_CXXFLAGS@"
   export CFLAGS="$CFLAGS @CMD_CFLAGS@"