diff --git a/src/oemcommands.cpp b/src/oemcommands.cpp
index 8516e54..c721f0d 100644
--- a/src/oemcommands.cpp
+++ b/src/oemcommands.cpp
@@ -749,7 +749,7 @@
 {
     uint8_t* req = reinterpret_cast<uint8_t*>(request);
     uint8_t* res = reinterpret_cast<uint8_t*>(response);
-    uint8_t num_frames = 3;
+    uint8_t num_frames = debugCardFrameSize;
 
     std::memcpy(res, req, SIZE_IANA_ID); // IANA ID
     res[SIZE_IANA_ID] = num_frames;