diff --git a/builder/digitalocean/builder_test.go b/builder/digitalocean/builder_test.go
index d6857bbe6..bd3bb1d21 100644
--- a/builder/digitalocean/builder_test.go
+++ b/builder/digitalocean/builder_test.go
@@ -264,7 +264,7 @@ func TestBuilderPrepare_SSHUsername(t *testing.T) {
 	}
 
 	if b.config.SSHUsername != "root" {
-		t.Errorf("invalid: %d", b.config.SSHUsername)
+		t.Errorf("invalid: %s", b.config.SSHUsername)
 	}
 
 	// Test set
@@ -297,7 +297,7 @@ func TestBuilderPrepare_SSHTimeout(t *testing.T) {
 	}
 
 	if b.config.RawSSHTimeout != "1m" {
-		t.Errorf("invalid: %d", b.config.RawSSHTimeout)
+		t.Errorf("invalid: %s", b.config.RawSSHTimeout)
 	}
 
 	// Test set
@@ -338,7 +338,7 @@ func TestBuilderPrepare_StateTimeout(t *testing.T) {
 	}
 
 	if b.config.RawStateTimeout != "6m" {
-		t.Errorf("invalid: %d", b.config.RawStateTimeout)
+		t.Errorf("invalid: %s", b.config.RawStateTimeout)
 	}
 
 	// Test set
@@ -379,7 +379,7 @@ func TestBuilderPrepare_PrivateNetworking(t *testing.T) {
 	}
 
 	if b.config.PrivateNetworking != false {
-		t.Errorf("invalid: %s", b.config.PrivateNetworking)
+		t.Errorf("invalid: %t", b.config.PrivateNetworking)
 	}
 
 	// Test set
@@ -394,7 +394,7 @@ func TestBuilderPrepare_PrivateNetworking(t *testing.T) {
 	}
 
 	if b.config.PrivateNetworking != true {
-		t.Errorf("invalid: %s", b.config.PrivateNetworking)
+		t.Errorf("invalid: %t", b.config.PrivateNetworking)
 	}
 }