diff --git a/builtin/providers/azurerm/resource_arm_virtual_machine.go b/builtin/providers/azurerm/resource_arm_virtual_machine.go
index a435a3726..d97ebaf37 100644
--- a/builtin/providers/azurerm/resource_arm_virtual_machine.go
+++ b/builtin/providers/azurerm/resource_arm_virtual_machine.go
@@ -1295,7 +1295,7 @@ func findStorageAccountResourceGroup(meta interface{}, storageAccountName string
 
 	results := *rf.Value
 	if len(results) != 1 {
-		return "", fmt.Errorf("Wrong number of results making resource request for query %s:  %s", filter, len(results))
+		return "", fmt.Errorf("Wrong number of results making resource request for query %s: %d", filter, len(results))
 	}
 
 	id, err := parseAzureResourceID(*results[0].ID)
diff --git a/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go b/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go
index acb7c86bf..51a76ada1 100644
--- a/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go
+++ b/builtin/providers/digitalocean/resource_digitalocean_droplet_test.go
@@ -255,7 +255,7 @@ func testAccCheckDigitalOceanDropletRenamedAndResized(droplet *godo.Droplet) res
 		}
 
 		if droplet.Disk != 30 {
-			return fmt.Errorf("Bad disk: %s", droplet.Disk)
+			return fmt.Errorf("Bad disk: %d", droplet.Disk)
 		}
 
 		return nil
@@ -270,7 +270,7 @@ func testAccCheckDigitalOceanDropletResizeWithOutDisk(droplet *godo.Droplet) res
 		}
 
 		if droplet.Disk != 20 {
-			return fmt.Errorf("Bad disk: %s", droplet.Disk)
+			return fmt.Errorf("Bad disk: %d", droplet.Disk)
 		}
 
 		return nil