diff --git a/tests/integration/fixtures/select_stringref_trigger.yaml b/tests/integration/fixtures/select_stringref_trigger.yaml
index 2ee64741fd..8a391e509e 100644
--- a/tests/integration/fixtures/select_stringref_trigger.yaml
+++ b/tests/integration/fixtures/select_stringref_trigger.yaml
@@ -42,13 +42,13 @@ select:
             ESP_LOGI("test", "Length: %d", (int)x.length());
         # Test 6: StringRef.find() method with substring
         - lambda: |-
-            if (x.find("Option") != StringRef::npos) {
+            if (x.find("Option") != StringRef::NPOS) {
               ESP_LOGI("test", "Found 'Option' in value");
             }
         # Test 7: StringRef.find() method with character
         - lambda: |-
             size_t space_pos = x.find(' ');
-            if (space_pos != StringRef::npos) {
+            if (space_pos != StringRef::NPOS) {
               ESP_LOGI("test", "Space at position: %d", (int)space_pos);
             }
         # Test 8: StringRef.substr() method