diff --git a/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.tcl b/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.tcl
index d87661f5..47b13294 100755
--- a/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.tcl
+++ b/lib/sw_apps/zynqmp_fsbl/data/zynqmp_fsbl.tcl
@@ -56,7 +56,7 @@ proc check_standalone_os {} {
 
 proc swapp_is_supported_sw {} {
     # make sure we are using standalone OS
-    #check_standalone_os;
+    check_standalone_os;
 
 	# make sure xilffs is available
     set librarylist [get_libs -filter "NAME==xilffs"];