diff --git a/env/DAMASK.zsh b/env/DAMASK.zsh
index 23b057d68..e4a371db4 100644
--- a/env/DAMASK.zsh
+++ b/env/DAMASK.zsh
@@ -19,7 +19,7 @@ source $DAMASK_ROOT/CONFIG
 unset -f set
 
 # add DAMASK_BIN if present
-[ ( "x$DAMASK_BIN" != "x" ) ] && PATH=$DAMASK_BIN:$PATH
+[ "x$DAMASK_BIN" != "x" ] && PATH=$DAMASK_BIN:$PATH
 
 SOLVER=`which DAMASK_spectral || True 2>/dev/null`
 PROCESSING=`which postResults || True 2>/dev/null`