diff --git a/aws/emr/custom_ami_test_launcher.sh b/aws/emr/custom_ami_test_launcher.sh
old mode 100644
new mode 100755
index a4add5c..8d1798d
--- a/aws/emr/custom_ami_test_launcher.sh
+++ b/aws/emr/custom_ami_test_launcher.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 ### change image id and naming suffix then run this bitch
-image=ami-076369466766d94fa
+image=$1
 naming_suffix="_test_with_fixed_regex"
 
 function drive_count_check {
@@ -50,4 +50,4 @@ function url_test {
     open $url
 }
 
-launch
\ No newline at end of file
+launch