diff --git a/test-download.sh b/test-download.sh
index 41e63c3..258fd67 100755
--- a/test-download.sh
+++ b/test-download.sh
@@ -1,3 +1,4 @@
 #!/bin/bash
 
-python scripts/test-download.py $1
+# PYTHONPATH tells python to look for modules in the current directory
+PYTHONPATH="." python scripts/test-download.py $1