diff --git a/.gitignore b/.gitignore
index 07ef14acb..90e9858f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,7 +68,7 @@ luac
 tools/fpga_compress/fpga_compress
 tools/mfkey/mfkey32
 tools/mfkey/mfkey64
-tools/staticnested
+tools/mfkey/staticnested
 tools/nonce2key/nonce2key
 tools/cryptorf/cm
 tools/cryptorf/sm
diff --git a/client/src/cmddata.c b/client/src/cmddata.c
index eb7ac910d..30d68d6ba 100644
--- a/client/src/cmddata.c
+++ b/client/src/cmddata.c
@@ -40,7 +40,7 @@
 #include "mbedtls/ctr_drbg.h"    // random generator
 #include "atrs.h"                // ATR lookup
 
-uint8_t g_DemodBuffer[MAX_DEMOD_BUF_LEN];
+uint8_t g_DemodBuffer[MAX_DEMOD_BUF_LEN] = { 0x00 };
 size_t g_DemodBufferLen = 0;
 int32_t g_DemodStartIdx = 0;
 int g_DemodClock = 0;