diff --git a/pkgs/development/libraries/dleyna-core/setup-hook.sh b/pkgs/development/libraries/dleyna-core/setup-hook.sh
index 87b5c67dff58..287ad4dc1897 100644
--- a/pkgs/development/libraries/dleyna-core/setup-hook.sh
+++ b/pkgs/development/libraries/dleyna-core/setup-hook.sh
@@ -1,7 +1,7 @@
 addDleynaConnectorPath () {
     if test -d "$1/lib/dleyna-1.0/connectors"
     then
-        export DLEYNA_CONNECTOR_PATH="${DLEYNA_CONNECTOR_PATH}${DLEYNA_CONNECTOR_PATH:+:}$1/lib/dleyna-1.0/connectors"
+        export DLEYNA_CONNECTOR_PATH="${DLEYNA_CONNECTOR_PATH-}${DLEYNA_CONNECTOR_PATH:+:}$1/lib/dleyna-1.0/connectors"
     fi
 }