diff --git a/test/run-test b/test/run-test
index a228789..847fcf7 100755
--- a/test/run-test
+++ b/test/run-test
@@ -156,6 +156,7 @@
         shift
     elif [ "x$1" = "x--jvm" ]; then
         target_mode="no"
+        DEX_LOCATION="$tmp_dir"
         runtime="jvm"
         image_args=""
         prebuild_mode="no"