diff --git a/radio/src/eeprom_rlc.cpp b/radio/src/eeprom_rlc.cpp
index dfa968e8d..3c42a6712 100644
--- a/radio/src/eeprom_rlc.cpp
+++ b/radio/src/eeprom_rlc.cpp
@@ -582,7 +582,7 @@ const pm_char * eeBackupModel(uint8_t i_fileSrc)
       len = i+1;
     if (len) {
       if (buf[i])
-	buf[i] = idx2char(buf[i]);
+        buf[i] = idx2char(buf[i]);
       else
         buf[i] = '_'; 	
     }
@@ -597,6 +597,11 @@ const pm_char * eeBackupModel(uint8_t i_fileSrc)
     len = sizeof(MODELS_PATH) + PSIZE(TR_MODEL) + 2;
   }
 
+#if defined(RTCLOCK)
+  char * tmp = strAppendDate(&buf[len], true);
+  len = tmp - buf;
+#endif
+
   strcpy_P(&buf[len], STR_MODELS_EXT);
 
 #ifdef SIMU
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index a43085a59..4e13a2fbe 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -1513,7 +1513,7 @@ union ReusableBuffer
         uint16_t eepromfree;
 #if defined(SDCARD)
         char menu_bss[MENU_MAX_LINES][MENU_LINE_LENGTH];
-        char mainname[42]; // because reused for SD backup / restore
+        char mainname[sizeof(menu_bss)]; // because reused for SD backup / restore
 #else
         char mainname[LEN_MODEL_NAME];
 #endif