diff --git a/src/3rdparty/libmng/libmng_read.c b/src/3rdparty/libmng/libmng_read.c
index 778e5d0a..d93da7a1 100644
--- a/src/3rdparty/libmng/libmng_read.c
+++ b/src/3rdparty/libmng/libmng_read.c
@@ -183,7 +183,7 @@ mng_retcode read_databuffer (mng_datap    pData,
       {                                /* not enough space left in buffer ? */
         if (pData->iSuspendbufsize - pData->iSuspendbufleft -
             (mng_uint32)(pData->pSuspendbufnext - pData->pSuspendbuf) <
-                                                          MNG_SUSPENDRETQUESTSIZE)
+                                                          MNG_SUSPENDREQUESTSIZE)
         {
           if (pData->iSuspendbufleft)  /* then lets shift (if there's anything left) */
             MNG_COPY (pData->pSuspendbuf, pData->pSuspendbufnext, pData->iSuspendbufleft)
@@ -191,12 +191,12 @@ mng_retcode read_databuffer (mng_datap    pData,
           pData->pSuspendbufnext = pData->pSuspendbuf;
         }
                                        /* still not enough room ? */
-        if (pData->iSuspendbufsize - pData->iSuspendbufleft < MNG_SUSPENDRETQUESTSIZE)
+        if (pData->iSuspendbufsize - pData->iSuspendbufleft < MNG_SUSPENDREQUESTSIZE)
           MNG_ERROR (pData, MNG_INTERNALERROR)
                                        /* now read some more data */
         pTemp = pData->pSuspendbufnext + pData->iSuspendbufleft;
 
-        if (!pData->fReaddata (((mng_handle)pData), pTemp, MNG_SUSPENDRETQUESTSIZE, &iTemp))
+        if (!pData->fReaddata (((mng_handle)pData), pTemp, MNG_SUSPENDREQUESTSIZE, &iTemp))
           MNG_ERROR (pData, MNG_APPIOERROR);
                                        /* adjust fill-counter */
         pData->iSuspendbufleft += iTemp;
@@ -217,7 +217,7 @@ mng_retcode read_databuffer (mng_datap    pData,
         }
         else
         {                              /* suspension required ? */
-          if ((iSize > pData->iSuspendbufleft) && (iTemp < MNG_SUSPENDRETQUESTSIZE))
+          if ((iSize > pData->iSuspendbufleft) && (iTemp < MNG_SUSPENDREQUESTSIZE))
             pData->bSuspended = MNG_TRUE;
 
         }
diff --git a/src/3rdparty/libmng/libmng_types.h b/src/3rdparty/libmng/libmng_types.h
index aa346d30..a5bd852b 100644
--- a/src/3rdparty/libmng/libmng_types.h
+++ b/src/3rdparty/libmng/libmng_types.h
@@ -310,7 +310,7 @@ typedef mng_uint32      mng_uint32arr2[2];
 #define MNG_NULL  0
 
 #define MNG_SUSPENDBUFFERSIZE  32768
-#define MNG_SUSPENDRETQUESTSIZE  1024
+#define MNG_SUSPENDREQUESTSIZE  1024
 
 /* ************************************************************************** */
 
diff --git a/src/kernel/qapplication_x11.cpp b/src/kernel/qapplication_x11.cpp
index 41abcb20..e9fee790 100644
--- a/src/kernel/qapplication_x11.cpp
+++ b/src/kernel/qapplication_x11.cpp
@@ -2064,8 +2064,8 @@ void tqt_init_internal( int *argcptr, char **argv,
         qt_x11_intern_atom( "_SGI_DESKS_MANAGER", &qt_sgi_desks_manager );
 
 #ifndef QT_NO_XSYNC
-	qt_x11_intern_atom( "_NET_WM_SYNC_RETQUEST_COUNTER", &qt_net_wm_sync_request_counter );
-	qt_x11_intern_atom( "_NET_WM_SYNC_RETQUEST", &qt_net_wm_sync_request );
+	qt_x11_intern_atom( "_NET_WM_SYNC_REQUEST_COUNTER", &qt_net_wm_sync_request_counter );
+	qt_x11_intern_atom( "_NET_WM_SYNC_REQUEST", &qt_net_wm_sync_request );
 #endif
 
 	qt_xdnd_setup();
@@ -5977,7 +5977,7 @@ bool TQETWidget::translateConfigEvent( const XEvent *event )
                 ++compressed_configs;
             }
 #ifndef QT_NO_XSYNC
-            // _NET_WM_SYNC_RETQUEST compression 
+            // _NET_WM_SYNC_REQUEST compression 
             Window wid = winId();
             while ( compressed_configs &&
                     XCheckIfEvent( x11Display(), &otherEvent,
diff --git a/src/kernel/qwidget_x11.cpp b/src/kernel/qwidget_x11.cpp
index 1479342e..8e9cc3ab 100644
--- a/src/kernel/qwidget_x11.cpp
+++ b/src/kernel/qwidget_x11.cpp
@@ -684,7 +684,7 @@ void TQWidget::create( WId window, bool initializeWindow, bool destroyOldWindow)
 	protocols[n++] = tqt_wm_take_focus;	// support take focus window protocol
 	protocols[n++] = qt_net_wm_ping;	// support _NET_WM_PING protocol
 #ifndef QT_NO_XSYNC
-	protocols[n++] = qt_net_wm_sync_request;// support the _NET_WM_SYNC_RETQUEST protocol
+	protocols[n++] = qt_net_wm_sync_request;// support the _NET_WM_SYNC_REQUEST protocol
 #endif
 	if ( testWFlags( WStyle_ContextHelp ) )
 	    protocols[n++] = qt_net_wm_context_help;
@@ -2698,7 +2698,7 @@ void TQWidget::incrementSyncCounter()
     }
 }
 
-// handle _NET_WM_SYNC_RETQUEST
+// handle _NET_WM_SYNC_REQUEST
 void TQWidget::handleSyncRequest( void* ev )
 {
     XEvent* xev = (XEvent*)ev;