BUG: etc/cshrc: alias cannot be called on single line if statement?

etc/cshrc

@@ -74,7 +74,9 @@ alias _foamSource 'if ($?FOAM_VERBOSE && $?prompt) echo "Sourcing: \!*"; source
 
 # Add in preset user or site preferences:
 set foamPrefs=`$WM_PROJECT_DIR/bin/foamEtcFile prefs.csh`
-if ( $status == 0 ) _foamSource $foamPrefs
+if ( $status == 0 ) then
+    _foamSource $foamPrefs
+endif
 unset foamPrefs