diff --git a/scripts/toolchain/fbtenv.sh b/scripts/toolchain/fbtenv.sh
index 81df6c0af..d911c2334 100755
--- a/scripts/toolchain/fbtenv.sh
+++ b/scripts/toolchain/fbtenv.sh
@@ -4,7 +4,7 @@
 
 # public variables
 DEFAULT_SCRIPT_PATH="$(pwd -P)";
-FBT_TOOLCHAIN_VERSION="${FBT_TOOLCHAIN_VERSION:-"22"}";
+FBT_TOOLCHAIN_VERSION="${FBT_TOOLCHAIN_VERSION:-"21"}";
 
 if [ -z ${FBT_TOOLCHAIN_PATH+x} ] ; then
     FBT_TOOLCHAIN_PATH_WAS_SET=0;