diff --git a/fwk/wutils.py b/fwk/wutils.py
index b914d2eb6facce8ef53d623f903856664a414f20..46d19993e2fc56dd8d7ef72d00120201e4544dbf 100644
--- a/fwk/wutils.py
+++ b/fwk/wutils.py
@@ -137,6 +137,14 @@ def initDLL():
 
 # ------------------------------------------------------------------------------
 
+def initTBB():
+    # For TBB <= 2019.4, needed to include global_control
+    # @todo to be removed
+    import os
+    os.environ['TBB_PREVIEW_GLOBAL_CONTROL'] = 'TRUE'
+
+#-------------------------------------------------------------------------------
+
 def initMKL(nthreads):
     import os
     # we try to have full control over the threading environment