diff --git a/builtin/providers/azurerm/resource_arm_virtual_machine.go b/builtin/providers/azurerm/resource_arm_virtual_machine.go
index a435a372679d..2adbdb7684dd 100644
--- a/builtin/providers/azurerm/resource_arm_virtual_machine.go
+++ b/builtin/providers/azurerm/resource_arm_virtual_machine.go
@@ -792,7 +792,9 @@ func flattenAzureRmVirtualMachineDiagnosticsProfile(profile *compute.BootDiagnos
 	result := make(map[string]interface{})
 
 	result["enabled"] = *profile.Enabled
-	result["storage_uri"] = *profile.StorageURI
+	if profile.StorageURI != nil {
+		result["storage_uri"] = *profile.StorageURI
+	}
 
 	return []interface{}{result}
 }