diff --git a/plugins/providers/virtualbox/cap.rb b/plugins/providers/virtualbox/cap.rb
index 1c0512407..ab170b282 100644
--- a/plugins/providers/virtualbox/cap.rb
+++ b/plugins/providers/virtualbox/cap.rb
@@ -29,6 +29,7 @@ module VagrantPlugins
       #
       # @return [Array<String>] Snapshot Name
       def self.snapshot_list(machine)
+        return [] if machine.id.nil?
         machine.provider.driver.list_snapshots(machine.id)
       end
     end
diff --git a/test/unit/plugins/providers/virtualbox/cap_test.rb b/test/unit/plugins/providers/virtualbox/cap_test.rb
index 351b40c5f..a4071b578 100644
--- a/test/unit/plugins/providers/virtualbox/cap_test.rb
+++ b/test/unit/plugins/providers/virtualbox/cap_test.rb
@@ -40,4 +40,19 @@ describe VagrantPlugins::ProviderVirtualBox::Cap do
       expect(described_class.forwarded_ports(machine)).to be(nil)
     end
   end
+
+  describe "#snapshot_list" do
+    it "returns all the snapshots" do
+      allow(machine).to receive(:id).and_return("1234")
+      allow(driver).to receive(:list_snapshots).with(machine.id).
+        and_return(["backup", "old"])
+
+      expect(described_class.snapshot_list(machine)).to eq(["backup", "old"])
+    end
+
+    it "returns empty array when the machine is does not exist" do
+      allow(machine).to receive(:id).and_return(nil)
+      expect(described_class.snapshot_list(machine)).to eq([])
+    end
+  end
 end