diff --git a/tools/pm3_tests.sh b/tools/pm3_tests.sh
index cdbc5adb4..86a3b852a 100755
--- a/tools/pm3_tests.sh
+++ b/tools/pm3_tests.sh
@@ -333,7 +333,7 @@ while true; do
       if ! CheckExecute "reveng readline test"    "$CLIENTBIN -c 'reveng -h;reveng -D'" "CRC-64/GO-ISO"; then break; fi
       if ! CheckExecute "reveng -g test"          "$CLIENTBIN -c 'reveng -g abda202c'" "CRC-16/ISO-IEC-14443-3-A"; then break; fi
       if ! CheckExecute "reveng -w test"          "$CLIENTBIN -c 'reveng -w 8 -s 01020304e3 010204039d'" "CRC-8/SMBUS"; then break; fi
-      if ! CheckExecute "mfu pwdgen test"         "$CLIENTBIN -c 'hf mfu pwdgen t'" "Selftest OK"; then break; fi
+      if ! CheckExecute "mfu pwdgen test"         "$CLIENTBIN -c 'hf mfu pwdgen -t'" "Selftest OK"; then break; fi
       if ! CheckExecute "trace load/list 14a"     "$CLIENTBIN -c 'trace load -f traces/hf_14a_mfu.trace; trace list -1 -t 14a;'" "READBLOCK(8)"; then break; fi
       if ! CheckExecute "trace load/list x"       "$CLIENTBIN -c 'trace load -f traces/hf_14a_mfu.trace; trace list -x1 -t 14a;'" "0.0101840425"; then break; fi