diff --git a/dictionaries/CallMap.php b/dictionaries/CallMap.php
index 84cc1944c..861ae2296 100644
--- a/dictionaries/CallMap.php
+++ b/dictionaries/CallMap.php
@@ -15455,7 +15455,7 @@ return [
 'xdebug_get_function_stack' => ['array', 'message='=>'string', 'options='=>'int'],
 'xdebug_get_headers' => ['array'],
 'xdebug_get_monitored_functions' => ['array'],
-'xdebug_get_profiler_filename' => ['string'],
+'xdebug_get_profiler_filename' => ['string|false'],
 'xdebug_get_stack_depth' => ['int'],
 'xdebug_get_tracefile_name' => ['string'],
 'xdebug_is_debugger_active' => ['bool'],
diff --git a/dictionaries/CallMap_historical.php b/dictionaries/CallMap_historical.php
index 23878917b..50d2b2d45 100644
--- a/dictionaries/CallMap_historical.php
+++ b/dictionaries/CallMap_historical.php
@@ -16294,7 +16294,7 @@ return [
     'xdebug_get_function_stack' => ['array', 'message='=>'string', 'options='=>'int'],
     'xdebug_get_headers' => ['array'],
     'xdebug_get_monitored_functions' => ['array'],
-    'xdebug_get_profiler_filename' => ['string'],
+    'xdebug_get_profiler_filename' => ['string|false'],
     'xdebug_get_stack_depth' => ['int'],
     'xdebug_get_tracefile_name' => ['string'],
     'xdebug_is_debugger_active' => ['bool'],