diff --git a/radio/src/gui/colorlcd/layouts/topbar_impl.cpp b/radio/src/gui/colorlcd/layouts/topbar_impl.cpp
index 8461d4eaa..47206816b 100644
--- a/radio/src/gui/colorlcd/layouts/topbar_impl.cpp
+++ b/radio/src/gui/colorlcd/layouts/topbar_impl.cpp
@@ -84,7 +84,7 @@ void TopbarImpl::paint(BitmapBuffer * dc)
   gettime(&t);
   char str[10];
 #if defined(TRANSLATIONS_CN) || defined(TRANSLATIONS_TW) 
-      sprintf(str, "%d-%d", t.tm_mon + 1, t.tm_mday);
+      sprintf(str, "%02d-%02d", t.tm_mon + 1, t.tm_mday);
 #else
       const char * const STR_MONTHS[] = TR_MONTHS;
       sprintf(str, "%d %s", t.tm_mday, STR_MONTHS[t.tm_mon]);
diff --git a/radio/src/gui/colorlcd/themes/480_default.cpp b/radio/src/gui/colorlcd/themes/480_default.cpp
index 1e54ca53d..db4da550b 100644
--- a/radio/src/gui/colorlcd/themes/480_default.cpp
+++ b/radio/src/gui/colorlcd/themes/480_default.cpp
@@ -389,7 +389,7 @@ class Theme480: public OpenTxTheme
       gettime(&t);
       char str[10];
 #if defined(TRANSLATIONS_CN) || defined(TRANSLATIONS_TW)
-      sprintf(str, "%d-%d", t.tm_mon + 1, t.tm_mday);
+      sprintf(str, "%02d-%02d", t.tm_mon + 1, t.tm_mday);
 #else
       const char * const STR_MONTHS[] = TR_MONTHS;
       sprintf(str, "%d %s", t.tm_mday, STR_MONTHS[t.tm_mon]);