diff --git a/poky/scripts/oe-check-sstate b/poky/scripts/oe-check-sstate
index ca249ca..59bcb32 100755
--- a/poky/scripts/oe-check-sstate
+++ b/poky/scripts/oe-check-sstate
@@ -47,8 +47,8 @@
     try:
         env = os.environ.copy()
         if not args.same_tmpdir:
-            env['BB_ENV_EXTRAWHITE'] = env.get('BB_ENV_EXTRAWHITE', '') + ' TMPDIR_forcevariable'
-            env['TMPDIR_forcevariable'] = tmpdir
+            env['BB_ENV_EXTRAWHITE'] = env.get('BB_ENV_EXTRAWHITE', '') + ' TMPDIR:forcevariable'
+            env['TMPDIR:forcevariable'] = tmpdir
 
         try:
             output = subprocess.check_output(