diff --git a/bitcoin-qt_wrapper.sh b/bitcoin-qt_wrapper.sh
index d6af713..18f454e 100644
--- a/bitcoin-qt_wrapper.sh
+++ b/bitcoin-qt_wrapper.sh
@@ -1,3 +1,3 @@
 #!/usr/bin/bash
 
-exec bitcoin-qt -datadir=$XDG_DATA_HOME "$@"
+exec bitcoin-qt -datadir="${XDG_DATA_HOME}" "$@"