diff --git a/libtransmission/ipcparse.c b/libtransmission/ipcparse.c
index fccdcaf3a..af732bdc6 100644
--- a/libtransmission/ipcparse.c
+++ b/libtransmission/ipcparse.c
@@ -138,6 +138,7 @@ static struct msg gl_msgs[] =
     { "addfile-detailed",    2, IPC_MSG_ADDONEFILE,   RB_ENTRY_INITIALIZER() },
     { "automap",             2, IPC_MSG_AUTOMAP,      RB_ENTRY_INITIALIZER() },
     { "autostart",           2, IPC_MSG_AUTOSTART,    RB_ENTRY_INITIALIZER() },
+    { "bad-format",          2, IPC_MSG_BAD,          RB_ENTRY_INITIALIZER() },
     { "directory",           2, IPC_MSG_DIR,          RB_ENTRY_INITIALIZER() },
     { "downlimit",           2, IPC_MSG_DOWNLIMIT,    RB_ENTRY_INITIALIZER() },
     { "failed",              2, IPC_MSG_FAIL,         RB_ENTRY_INITIALIZER() },
diff --git a/libtransmission/ipcparse.h b/libtransmission/ipcparse.h
index 89b0120aa..b32298d2c 100644
--- a/libtransmission/ipcparse.h
+++ b/libtransmission/ipcparse.h
@@ -41,6 +41,7 @@ enum ipc_msg
     IPC_MSG_ADDONEFILE,
     IPC_MSG_AUTOMAP,
     IPC_MSG_AUTOSTART,
+    IPC_MSG_BAD,
     IPC_MSG_DIR,
     IPC_MSG_DOWNLIMIT,
     IPC_MSG_FAIL,