diff --git a/libs/main/thread/pithread.cpp b/libs/main/thread/pithread.cpp
index fef59b51..53554c95 100644
--- a/libs/main/thread/pithread.cpp
+++ b/libs/main/thread/pithread.cpp
@@ -774,10 +774,10 @@ bool PIThread::_startThread(void * func) {
 		tn_data.resize(16);
 		tn_data.back() = 0;
 #  ifdef MAC_OS
-		pthread_setname_np(tn_data.data());
+		pthread_setname_np((const char *)tn_data.data());
 		pthread_threadid_np(PRIVATE->thread, (__uint64_t *)&tid_);
 #  else
-		pthread_setname_np(PRIVATE->thread, tn_data.data());
+		pthread_setname_np(PRIVATE->thread, (const char *)tn_data.data());
 #  endif
 		setPriority(priority_);
 		return true;