diff --git a/lib/ansible/modules/cloud/azure/azure_rm_virtualmachine.py b/lib/ansible/modules/cloud/azure/azure_rm_virtualmachine.py
index 04711a473f1..45454a9cb79 100644
--- a/lib/ansible/modules/cloud/azure/azure_rm_virtualmachine.py
+++ b/lib/ansible/modules/cloud/azure/azure_rm_virtualmachine.py
@@ -1090,7 +1090,7 @@ class AzureRMVirtualMachine(AzureRMModuleBase):
                                                                        self.image['offer'],
                                                                        self.image['sku'])
         except Exception as exc:
-            self.fail("Error fetching image {0} {1} {2} - {4}".format(self.image['publisher'],
+            self.fail("Error fetching image {0} {1} {2} - {3}".format(self.image['publisher'],
                                                                       self.image['offer'],
                                                                       self.image['sku'],
                                                                       str(exc)))