diff --git a/armsrc/Standalone/hf_colin.h b/armsrc/Standalone/hf_colin.h
index 251620626..c8f2ab8ed 100644
--- a/armsrc/Standalone/hf_colin.h
+++ b/armsrc/Standalone/hf_colin.h
@@ -19,6 +19,7 @@
 #include "proxmark3.h"
 #include "mifaresim.h"  // mifare1ksim
 #include "mifareutil.h"
+#include "mifaresim.h"
 #include "iso14443a.h"
 #include "protocols.h"
 #include "util.h"
diff --git a/armsrc/Standalone/hf_mattyrun.h b/armsrc/Standalone/hf_mattyrun.h
index c37624821..687979162 100644
--- a/armsrc/Standalone/hf_mattyrun.h
+++ b/armsrc/Standalone/hf_mattyrun.h
@@ -17,6 +17,7 @@
 #include "usb_cmd.h"    // mifare1ksim flags
 #include "mifaresim.h"  // mifare1ksim
 #include "mifareutil.h"
+#include "mifaresim.h"
 
 #define OPTS 2