diff --git a/src/libcommon/oap_client.c b/src/libcommon/oap_client.c
index 39055ab..7154baa 100644
--- a/src/libcommon/oap_client.c
+++ b/src/libcommon/oap_client.c
@@ -257,7 +257,7 @@
 		     "OAP registration failed\n");
 		state->state = OAP_INITIALIZED;
 		if (state->registration_failures < 3) {
-			state->registration_failures ++;
+			state->registration_failures++;
 			return oap_client_register(state, msg_tx);
 		}
 		return -11;
diff --git a/src/libmsc/sms_queue.c b/src/libmsc/sms_queue.c
index 39a81f6..7d59787 100644
--- a/src/libmsc/sms_queue.c
+++ b/src/libmsc/sms_queue.c
@@ -216,7 +216,7 @@
 		sms = db_sms_get_next_unsent_rr_msisdn(net, last_msisdn, 9);
 		if (!sms) {
 			last_msisdn[0] = '\0';
-			wrapped ++;
+			wrapped++;
 			continue;
 		}
 
diff --git a/src/libvlr/vlr.c b/src/libvlr/vlr.c
index 2b9e3b2..96627ed 100644
--- a/src/libvlr/vlr.c
+++ b/src/libvlr/vlr.c
@@ -595,7 +595,7 @@
 		}
 		vsub->auth_tuples[i].vec = gsup->auth_vectors[i];
 		vsub->auth_tuples[i].key_seq = key_seq;
-		got_tuples ++;
+		got_tuples++;
 	}
 
 	LOGVSUBP(LOGL_DEBUG, vsub, "Received %u auth tuples\n", got_tuples);