diff --git a/src/common/common.cpp b/src/common/common.cpp
index 00f2c5f2d..84eb85c8a 100644
--- a/src/common/common.cpp
+++ b/src/common/common.cpp
@@ -48,6 +48,7 @@
 
 using namespace std;
 
+#include "base64.h"
 #include "hacks.h"
 #include "mkvmerge.h"
 
@@ -1359,6 +1360,16 @@ void engage_hacks(const char *hacks) {
       for (hidx = 0; mosu_hacks[hidx] != NULL; hidx++)
         mxinfo("%s\n", mosu_hacks[hidx]);
       mxexit(0);
+    } else if (engage_args[aidx] == "cow") {
+      const string initial = "ICAgICAgICAgIChfXykKICAgICAgICAgICgqKikg"
+        "IE9oIGhvbmV5LCB0aGF0J3Mgc28gc3dlZXQhCiAgIC8tLS0tLS0tXC8gICBPZiB"
+        "jb3Vyc2UgSSdsbCBtYXJyeSB5b3UhCiAgLyB8ICAgICB8fAogKiAgfHwtLS0tfH"
+        "wKICAgIF5eICAgIF5eCg==";
+      char correction[200];
+      memset(correction, 0, 200);
+      base64_decode(initial, (unsigned char *)correction);
+      mxinfo("%s", correction);
+      mxexit(0);
     }
   for (aidx = 0; aidx < engage_args.size(); aidx++) {
     valid_hack = false;
diff --git a/src/mkvmerge.cpp b/src/mkvmerge.cpp
index 8775e0b97..730cc1296 100644
--- a/src/mkvmerge.cpp
+++ b/src/mkvmerge.cpp
@@ -1610,6 +1610,11 @@ parse_args(int argc,
       outfile = safestrdup(next_arg);
       i++;
 
+    } else if (!strcmp(this_arg, "--engage")) {
+      if (next_arg == NULL)
+        mxerror("'--engage' lacks its argument.\n");
+      engage_hacks(next_arg);
+      i++;
     }
   }
 
@@ -1628,19 +1633,14 @@ parse_args(int argc,
 
     // Ignore the options we took care of in the first step.
     if (!strcmp(this_arg, "-o") || !strcmp(this_arg, "--output") ||
-        !strcmp(this_arg, "--command-line-charset")) {
+        !strcmp(this_arg, "--command-line-charset") ||
+        !strcmp(this_arg, "--engage")) {
       i++;
       continue;
     }
 
     // Global options
-    if (!strcmp(this_arg, "--engage")) {
-      if (next_arg == NULL)
-        mxerror("'--engage' lacks its argument.\n");
-      engage_hacks(next_arg);
-      i++;
-
-    } else if (!strcmp(this_arg, "--priority")) {
+    if (!strcmp(this_arg, "--priority")) {
       bool found;
 
       if (next_arg == NULL)