diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index cf3d957f16..08722afc20 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -1241,6 +1241,8 @@ class GroupVariableDataSerializer(BaseVariableDataSerializer):
 
 class CustomInventoryScriptSerializer(BaseSerializer):
 
+    script = serializers.CharField(trim_whitespace=False)
+
     class Meta:
         model = CustomInventoryScript
         fields = ('*', "script", "organization")