diff --git a/curl-artifact.sh b/curl-artifact.sh
index 8c367dc90de..889caeec2bd 100755
--- a/curl-artifact.sh
+++ b/curl-artifact.sh
@@ -1,6 +1,12 @@
 #!/bin/sh
+task_id="$1"
+artifact="$2"
+shift 2
+url="https://queue.taskcluster.net/v1/task/${task_id}/artifacts/${artifact}"
+echo "Fetching $url"
 curl \
     --retry 5 \
     --connect-timeout 10 \
-    --location
-    https://queue.taskcluster.net/v1/task/$1/artifacts/$2
+    --location \
+    "$url" \
+    "$@"
diff --git a/decision-task/run.py b/decision-task/run.py
index 1d1b175445b..88094321630 100644
--- a/decision-task/run.py
+++ b/decision-task/run.py
@@ -20,7 +20,7 @@ command_prefix = """
     git checkout {event[after]} &&
     """.format(event=event)
 
-def create_task(name, command, artifacts=None, dependencies=None):
+def create_task(name, command, artifacts=None, dependencies=None, env=None):
     task_id = taskcluster.slugId()
     payload = {
         "taskGroupId": os.environ["DECISION_TASK_ID"],
@@ -45,6 +45,7 @@ def create_task(name, command, artifacts=None, dependencies=None):
                 "-c",
                 command_prefix + command
             ],
+            "env": env or {},
             "artifacts": {
                 "public/" + artifact_name: {
                     "type": "file",
@@ -68,4 +69,5 @@ create_task(
     "run task",
     "./run-task.sh",
     dependencies=[build_task],
+    env={"BUILD_TASK_ID": build_task},
 )
diff --git a/run-task.sh b/run-task.sh
index b4bb951d719..b8bdbccc509 100755
--- a/run-task.sh
+++ b/run-task.sh
@@ -2,4 +2,5 @@
 
 ./curl-artifact.sh $BUILD_TASK_ID public/executable.gz -o executable.gz
 gunzip executable.gz
+chmod +x executable
 ./executable