diff --git a/tests/integration/fixtures/scheduler_string_test.yaml b/tests/integration/fixtures/scheduler_string_test.yaml
index ed10441ccc..1188577e15 100644
--- a/tests/integration/fixtures/scheduler_string_test.yaml
+++ b/tests/integration/fixtures/scheduler_string_test.yaml
@@ -67,20 +67,28 @@ script:
             ESP_LOGI("test", "Empty string timeout fired");
           });
 
+          // Test 5: Cancel timeout with const char* literal
+          App.scheduler.set_timeout(component1, "cancel_static_timeout", 5000, []() {
+            ESP_LOGI("test", "This static timeout should be cancelled");
+          });
+          // Cancel using const char* directly
+          App.scheduler.cancel_timeout(component1, "cancel_static_timeout");
+          ESP_LOGI("test", "Cancelled static timeout using const char*");
+
   - id: test_dynamic_strings
     then:
       - logger.log: "Testing dynamic string timeouts and intervals"
       - lambda: |-
           auto *component2 = id(test_sensor2);
 
-          // Test 5: Dynamic string with set_timeout (std::string)
+          // Test 6: Dynamic string with set_timeout (std::string)
           std::string dynamic_name = "dynamic_timeout_" + std::to_string(id(dynamic_counter)++);
           App.scheduler.set_timeout(component2, dynamic_name, 100, []() {
             ESP_LOGI("test", "Dynamic timeout fired");
             id(timeout_counter) += 1;
           });
 
-          // Test 6: Dynamic string with set_interval
+          // Test 7: Dynamic string with set_interval
           std::string interval_name = "dynamic_interval_" + std::to_string(id(dynamic_counter)++);
           App.scheduler.set_interval(component2, interval_name, 250, [interval_name]() {
             ESP_LOGI("test", "Dynamic interval fired: %s", interval_name.c_str());
@@ -91,7 +99,7 @@ script:
             }
           });
 
-          // Test 7: Cancel with different string object but same content
+          // Test 8: Cancel with different string object but same content
           std::string cancel_name = "cancel_test";
           App.scheduler.set_timeout(component2, cancel_name, 2000, []() {
             ESP_LOGI("test", "This should be cancelled");
diff --git a/tests/integration/test_scheduler_string_test.py b/tests/integration/test_scheduler_string_test.py
index 670af6e22d..b5ca07f9db 100644
--- a/tests/integration/test_scheduler_string_test.py
+++ b/tests/integration/test_scheduler_string_test.py
@@ -25,6 +25,7 @@ async def test_scheduler_string_test(
     static_interval_fired = asyncio.Event()
     static_interval_cancelled = asyncio.Event()
     empty_string_timeout_fired = asyncio.Event()
+    static_timeout_cancelled = asyncio.Event()
     dynamic_timeout_fired = asyncio.Event()
     dynamic_interval_fired = asyncio.Event()
     cancel_test_done = asyncio.Event()
@@ -67,6 +68,10 @@ async def test_scheduler_string_test(
         elif "Empty string timeout fired" in clean_line:
             empty_string_timeout_fired.set()
 
+        # Check for static timeout cancellation
+        elif "Cancelled static timeout using const char*" in clean_line:
+            static_timeout_cancelled.set()
+
         # Check for dynamic string tests
         elif "Dynamic timeout fired" in clean_line:
             dynamic_timeout_fired.set()
@@ -123,6 +128,11 @@ async def test_scheduler_string_test(
             f"Expected static interval to run at least 3 times, got {static_interval_count + 1}"
         )
 
+        # Verify static timeout was cancelled
+        assert static_timeout_cancelled.is_set(), (
+            "Static timeout should have been cancelled"
+        )
+
         # Wait for dynamic string tests
         try:
             await asyncio.wait_for(dynamic_timeout_fired.wait(), timeout=1.0)