diff --git a/src/hwapi.cpp b/src/hwapi.cpp
index 5c10889..5884d58 100644
--- a/src/hwapi.cpp
+++ b/src/hwapi.cpp
@@ -3326,6 +3326,10 @@ void hwapi::sys_restoreDeviceParameter(struct T_devices *deviceSettings) const
     //runProcess->epi_restore64BdevParameter(&LL, buf); // wozu die???
     epi_restoreRbDeviceSettings(&LL, buf);      // viel besser, stimmt immer
 
+    if (LL >= sizeof(T_devices)) {
+        LL = sizeof (T_devices);
+    }
+
     // Puffer in struct eintragen:
     start = &deviceSettings->kindOfPrinter;
     nn=0;