diff --git a/client/cmddata.c b/client/cmddata.c
index 9462fc510..146d30ba7 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -1317,7 +1317,10 @@ int CmdRawDemod(const char *Cmd) {
 void setClockGrid(int clk, int offset) {
     g_DemodStartIdx = offset;
     g_DemodClock = clk;
-    PrintAndLogEx(DEBUG, "DEBUG: (setClockGrid) demodoffset %d, clk %d", offset, clk);
+    if ( clk == 0 && offset == 0) 
+        PrintAndLogEx(DEBUG, "DEBUG: (setClockGrid) clear settings");
+    else
+        PrintAndLogEx(DEBUG, "DEBUG: (setClockGrid) demodoffset %d, clk %d", offset, clk);
 
     if (offset > clk) offset %= clk;
     if (offset < 0) offset += clk;