diff --git a/conn.h b/conn.h
index e1cc5bd8..0d28e740 100644
--- a/conn.h
+++ b/conn.h
@@ -17,17 +17,17 @@
  * currently "release 18446744073709551615 4294967295 4294967295\r\n". */
 #define LINE_BUF_SIZE 54
 
-#define OP_UNKNOWN -1
-#define OP_PUT 0
-#define OP_PEEKJOB 1
-#define OP_RESERVE 2
-#define OP_DELETE 3
-#define OP_RELEASE 4
-#define OP_BURY 5
-#define OP_KICK 6
-#define OP_STATS 7
-#define OP_JOBSTATS 8
-#define OP_PEEK 9
+#define OP_UNKNOWN 0
+#define OP_PUT 1
+#define OP_PEEKJOB 2
+#define OP_RESERVE 3
+#define OP_DELETE 4
+#define OP_RELEASE 5
+#define OP_BURY 6
+#define OP_KICK 7
+#define OP_STATS 8
+#define OP_JOBSTATS 9
+#define OP_PEEK 10
 
 /* CONN_TYPE_* are bit masks */
 #define CONN_TYPE_PRODUCER 1
diff --git a/prot.c b/prot.c
index 72f2bb1f..c0cea90d 100644
--- a/prot.c
+++ b/prot.c
@@ -32,6 +32,21 @@ static unsigned long long int put_ct = 0, peek_ct = 0, reserve_ct = 0,
                      delete_ct = 0, release_ct = 0, bury_ct = 0, kick_ct = 0,
                      stats_ct = 0, timeout_ct = 0;
 
+#ifdef DEBUG
+static const char * op_names[] = {
+    "<unknown>",
+    CMD_PUT,
+    CMD_PEEKJOB,
+    CMD_RESERVE,
+    CMD_DELETE,
+    CMD_RELEASE,
+    CMD_BURY,
+    CMD_KICK,
+    CMD_STATS,
+    CMD_JOBSTATS,
+    CMD_PEEK,
+};
+#endif
 
 static int
 waiting_conn_p()
@@ -543,6 +558,7 @@ dispatch_cmd(conn c)
     if (strlen(c->cmd) != c->cmd_len - 2) return conn_close(c);
 
     type = which_cmd(c);
+    dprintf("got %s command: \"%s\"\n", op_names[(int) type], c->cmd);
 
     switch (type) {
     case OP_PUT: