diff --git a/nullaway/src/test/java/com/uber/nullaway/NullAwayJSpecifyGenericsTests.java b/nullaway/src/test/java/com/uber/nullaway/NullAwayJSpecifyGenericsTests.java
index 7d445cedd4..0d6bcd0093 100644
--- a/nullaway/src/test/java/com/uber/nullaway/NullAwayJSpecifyGenericsTests.java
+++ b/nullaway/src/test/java/com/uber/nullaway/NullAwayJSpecifyGenericsTests.java
@@ -606,6 +606,28 @@ public void testForLambdasInAnAssignment() {
         .doTest();
   }
 
+  @Test
+  public void testForLambdasInAnAssignmentWithoutJSpecifyMode() {
+    makeHelperWithoutJSpecifyMode()
+        .addSourceLines(
+            "Test.java",
+            "package com.uber;",
+            "import org.jspecify.annotations.Nullable;",
+            "class Test {",
+            "  interface A<T1 extends @Nullable Object> {",
+            "    String function(T1 o);",
+            "  }",
+            "  static void testPositive() {",
+            "    // Using outside JSpecify Mode So we don't get a bug here",
+            "    A<@Nullable Object> p = o -> o.toString();",
+            "  }",
+            "  static void testNegative() {",
+            "    A<Object> p = o -> o.toString();",
+            "  }",
+            "}")
+        .doTest();
+  }
+
   @Test
   public void testForDiamondInAnAssignment() {
     makeHelper()
@@ -1426,4 +1448,8 @@ private CompilationTestHelper makeHelper() {
         Arrays.asList(
             "-XepOpt:NullAway:AnnotatedPackages=com.uber", "-XepOpt:NullAway:JSpecifyMode=true"));
   }
+
+  private CompilationTestHelper makeHelperWithoutJSpecifyMode() {
+    return makeTestHelperWithArgs(Arrays.asList("-XepOpt:NullAway:AnnotatedPackages=com.uber"));
+  }
 }