diff --git a/tdutils/td/utils/logging.cpp b/tdutils/td/utils/logging.cpp
index 85d14dcd5..d5cd7cad8 100644
--- a/tdutils/td/utils/logging.cpp
+++ b/tdutils/td/utils/logging.cpp
@@ -191,9 +191,8 @@ class DefaultLog final : public LogInterface {
 #elif TD_EMSCRIPTEN
     switch (log_level) {
       case VERBOSITY_NAME(FATAL):
-        emscripten_log(
-            EM_LOG_ERROR | EM_LOG_CONSOLE | EM_LOG_C_STACK | EM_LOG_JS_STACK | EM_LOG_DEMANGLE | EM_LOG_FUNC_PARAMS,
-            "%s", slice.c_str());
+        emscripten_log(EM_LOG_ERROR | EM_LOG_CONSOLE | EM_LOG_C_STACK | EM_LOG_JS_STACK | EM_LOG_FUNC_PARAMS, "%s",
+                       slice.c_str());
         EM_ASM(throw(UTF8ToString($0)), slice.c_str());
         break;
       case VERBOSITY_NAME(ERROR):