diff --git a/src/kernel/qthread_unix.cpp b/src/kernel/qthread_unix.cpp
index 13c820e2..fb8f4531 100644
--- a/src/kernel/qthread_unix.cpp
+++ b/src/kernel/qthread_unix.cpp
@@ -405,7 +405,11 @@ void TQThread::start(Priority priority)
     d->thread_id = NULL;
 
     // Legacy glib versions require this threading system initialization call
-    g_thread_init(NULL);
+    if (!GLIB_CHECK_VERSION (2, 32, 0)) {
+      if( ! g_thread_get_initialized () ) {
+        g_thread_init(NULL);
+      }
+    }
 
     GThread* glib_thread_handle = g_thread_create((GThreadFunc)TQThreadInstance::start, d->args, false, NULL);
     if (glib_thread_handle) {