diff --git a/screen_ui.cpp b/screen_ui.cpp
index 93e26093..b53ab115 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -86,6 +86,8 @@ ScreenRecoveryUI::ScreenRecoveryUI() :
     for (int i = 0; i < 5; i++)
         backgroundIcon[i] = NULL;
 
+    memset(text, 0, sizeof(text));
+
     pthread_mutex_init(&updateMutex, NULL);
     self = this;
 }