diff --git a/client/src/cmddata.c b/client/src/cmddata.c
index 6a2fd37dd..5036b6584 100644
--- a/client/src/cmddata.c
+++ b/client/src/cmddata.c
@@ -2774,7 +2774,7 @@ static int try_detect_modulation(void) {
             // allow undo
             save_restoreGB(GRAPH_SAVE);
             // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
-            CmdLtrim("160");
+            CmdLtrim("-i 160");
             if ((PSKDemod(0, 0, 6, false) == PM3_SUCCESS)) {
                 tests[hits].modulation = DEMOD_PSK1;
                 tests[hits].bitrate = clk;
diff --git a/client/src/cmdlft55xx.c b/client/src/cmdlft55xx.c
index ae2beddd9..acea99f13 100644
--- a/client/src/cmdlft55xx.c
+++ b/client/src/cmdlft55xx.c
@@ -1127,7 +1127,7 @@ bool t55xxTryDetectModulationEx(uint8_t downlink_mode, bool print_config, uint32
             // allow undo
             save_restoreGB(GRAPH_SAVE);
             // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
-            CmdLtrim("160");
+            CmdLtrim("-i 160");
             if ((PSKDemod(0, 0, 6, false) == PM3_SUCCESS) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) {
                 tests[hits].modulation = DEMOD_PSK1;
                 tests[hits].bitrate = bitRate;
@@ -3555,7 +3555,7 @@ bool tryDetectP1(bool getData) {
         // allow undo
         // save_restoreGB(GRAPH_SAVE);
         // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise)
-        //CmdLtrim("160");
+        //CmdLtrim("-i 160");
         if ((PSKDemod(0, 0, 6, false) == PM3_SUCCESS) &&
                 preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &DemodBufferLen, &startIdx, false) &&
                 (DemodBufferLen == 32 || DemodBufferLen == 64)) {