diff --git a/MC/dpgsim.sh b/MC/dpgsim.sh
index 5d88d6d8..d03af916 100755
--- a/MC/dpgsim.sh
+++ b/MC/dpgsim.sh
@@ -196,6 +196,7 @@ CONFIG_TRIGGER=""
 OVERRIDE_TRIGGER=""
 CONFIG_DETECTOR=""
 CONFIG_PHOS_TIMERES="off" 
+export CONFIG_PHOS_TIMERES
 CONFIG_DETECTORMASK="0x0"
 CONFIG_PHYSICSLIST=""
 CONFIG_PDG=""