diff --git a/sys/shell/commands/sc_ccnl.c b/sys/shell/commands/sc_ccnl.c
index fb61e65062..b4388b090a 100644
--- a/sys/shell/commands/sc_ccnl.c
+++ b/sys/shell/commands/sc_ccnl.c
@@ -159,9 +159,6 @@ int _ccnl_interest(int argc, char **argv)
         return -1;
     }
 
-    /* XXX: https://xkcd.com/221/ */
-    genrand_init(0x4);
-
     /* initialize address with 0xFF for broadcast */
     size_t addr_len = MAX_ADDR_LEN;
     uint8_t relay_addr[MAX_ADDR_LEN];
@@ -170,10 +167,16 @@ int _ccnl_interest(int argc, char **argv)
         addr_len = gnrc_netif_addr_from_str(relay_addr, sizeof(relay_addr), argv[2]);
     }
 
+    memset(_int_buf, '\0', BUF_SIZE);
+    memset(_cont_buf, '\0', BUF_SIZE);
     for (int cnt = 0; cnt < CCNL_INTEREST_RETRIES; cnt++) {
         ccnl_send_interest(CCNL_SUITE_NDNTLV, argv[1], relay_addr, addr_len, NULL, _int_buf, BUF_SIZE);
-        ccnl_wait_for_chunk(_cont_buf, BUF_SIZE);
+        if (ccnl_wait_for_chunk(_cont_buf, BUF_SIZE) > 0) {
+            printf("Content received: %s\n", _cont_buf);
+            return 0;
+        }
     }
+    printf("Timeout! No content received in response to the Interest for %s.\n", argv[1]);
 
-    return 0;
+    return -1;
 }