diff --git a/src/gui/widget/msgbox.cpp b/src/gui/widget/msgbox.cpp
index f4640ac7b..245911d9f 100644
--- a/src/gui/widget/msgbox.cpp
+++ b/src/gui/widget/msgbox.cpp
@@ -323,7 +323,8 @@ int CMsgBox::exec()
 
 			//***refresh timeout on any pressed navi key! This resets current timeout end to initial value***
 			if (timeout > 0) {
-				timeout_pb->setValues(0, timeout);
+				if(timeout_pb)
+					timeout_pb->setValues(0, timeout);
 				timeoutEnd = CRCInput::calcTimeoutEnd(timeout);
 			}
 			dprintf(DEBUG_INFO, "\033[32m[CMsgBox]   [%s - %d] result = %d, mb_show_button = %d\033[0m\n", __func__, __LINE__, result, mb_show_button);