diff --git a/drivers/unix/thread_posix.cpp b/drivers/unix/thread_posix.cpp
index b7bcd447832..1c18ebd8558 100644
--- a/drivers/unix/thread_posix.cpp
+++ b/drivers/unix/thread_posix.cpp
@@ -81,6 +81,11 @@ Error ThreadPosix::set_name(const String& p_name) {
 
 	ERR_FAIL_COND_V(pthread == 0, ERR_UNCONFIGURED);
 
+	#ifdef PTHREAD_NO_RENAME
+	return ERR_UNAVAILABLE;
+
+	#else
+
 	#ifdef PTHREAD_RENAME_SELF
 
 	// check if thread is the same as caller
@@ -100,6 +105,8 @@ Error ThreadPosix::set_name(const String& p_name) {
 	#endif
 
 	return err == 0 ? OK : ERR_INVALID_PARAMETER;
+
+	#endif // PTHREAD_NO_RENAME
 };
 
 void ThreadPosix::make_default() {
diff --git a/platform/javascript/detect.py b/platform/javascript/detect.py
index 9cc1ffc2e23..0a6c8b14577 100644
--- a/platform/javascript/detect.py
+++ b/platform/javascript/detect.py
@@ -80,7 +80,7 @@ def configure(env):
 		env.opus_fixed_point="yes"
 
 	env.Append(CPPFLAGS=["-fno-exceptions",'-DNO_SAFE_CAST','-fno-rtti'])
-	env.Append(CPPFLAGS=['-DJAVASCRIPT_ENABLED', '-DUNIX_ENABLED', '-DNO_FCNTL','-DMPC_FIXED_POINT','-DTYPED_METHOD_BIND','-DNO_THREADS'])
+	env.Append(CPPFLAGS=['-DJAVASCRIPT_ENABLED', '-DUNIX_ENABLED', '-DPTHREAD_NO_RENAME', '-DNO_FCNTL','-DMPC_FIXED_POINT','-DTYPED_METHOD_BIND','-DNO_THREADS'])
 	env.Append(CPPFLAGS=['-DGLES2_ENABLED'])
 	env.Append(CPPFLAGS=['-DGLES_NO_CLIENT_ARRAYS'])
 	env.Append(CPPFLAGS=['-s','ASM_JS=1'])