diff --git a/screen_ui.cpp b/screen_ui.cpp
index afe856c3..d087af32 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -78,6 +78,8 @@ ScreenRecoveryUI::ScreenRecoveryUI() :
     for (int i = 0; i < 5; i++)
         backgroundIcon[i] = NULL;
 
+    memset(text, 0, sizeof(text));
+
     pthread_mutex_init(&updateMutex, NULL);
     self = this;
 }