diff --git a/Tests/FirebladeECSTests/EntityIdGenTests.swift b/Tests/FirebladeECSTests/EntityIdGenTests.swift
index bab14de..d804f49 100644
--- a/Tests/FirebladeECSTests/EntityIdGenTests.swift
+++ b/Tests/FirebladeECSTests/EntityIdGenTests.swift
@@ -20,6 +20,12 @@ final class EntityIdGenTests: XCTestCase {
         XCTAssertEqual(gen.nextId(), 0)
     }
 
+    func testGeneratorWithDefaultEmptyCollection() {
+        gen = DefaultEntityIdGenerator(startProviding: [])
+        XCTAssertEqual(gen.nextId(), 0)
+        XCTAssertEqual(gen.nextId(), 1)
+    }
+
     func testLinearIncrement() {
         for i in 0..<1_000_000 {
             XCTAssertEqual(gen.nextId(), EntityIdentifier(EntityIdentifier.Identifier(i)))
diff --git a/Tests/FirebladeECSTests/XCTestManifests.swift b/Tests/FirebladeECSTests/XCTestManifests.swift
index dc8b4df..f29280b 100644
--- a/Tests/FirebladeECSTests/XCTestManifests.swift
+++ b/Tests/FirebladeECSTests/XCTestManifests.swift
@@ -40,6 +40,7 @@ extension EntityIdGenTests {
         ("testGenerateWithInitialIds", testGenerateWithInitialIds),
         ("testGeneratorDefaultInit", testGeneratorDefaultInit),
         ("testGeneratorMarkUnused", testGeneratorMarkUnused),
+        ("testGeneratorWithDefaultEmptyCollection", testGeneratorWithDefaultEmptyCollection),
         ("testLinearIncrement", testLinearIncrement)
     ]
 }