diff --git a/src/modules/topos/topos_mod.c b/src/modules/topos/topos_mod.c
index 408c964e62f..5d3e4aec9cf 100644
--- a/src/modules/topos/topos_mod.c
+++ b/src/modules/topos/topos_mod.c
@@ -405,7 +405,7 @@ int tps_msg_sent(sr_event_param_t *evp)
 				goto done;
 			}
 			if(get_cseq(&msg)->method.len==4
-					&& strncmp(get_cseq(&msg)->method.s, "KDMQ", 4)) {
+					&& strncmp(get_cseq(&msg)->method.s, "KDMQ", 4)==0) {
 				goto done;
 			}
 		}