diff --git a/src/opentx.cpp b/src/opentx.cpp
index d1517a4e2..649fe8f51 100644
--- a/src/opentx.cpp
+++ b/src/opentx.cpp
@@ -3964,7 +3964,7 @@ void opentxStart()
 {
   doSplash();
 
-#if defined(PCBSKY9X) && defined(SDCARD)
+#if defined(PCBSKY9X) && defined(SDCARD) && !defined(SIMU)
   for (int i=0; i<500 && !Card_initialized; i++) {
     CoTickDelay(1);  // 2ms
   }