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);
diff --git a/tests/msc_vlr/msc_vlr_tests.c b/tests/msc_vlr/msc_vlr_tests.c
index 4544429..713bb16 100644
--- a/tests/msc_vlr/msc_vlr_tests.c
+++ b/tests/msc_vlr/msc_vlr_tests.c
@@ -826,8 +826,8 @@
 void run_tests(int nr)
 {
 	int test_nr;
-	nr --; /* arg's first test is 1, in here it's 0 */
-	for (test_nr = 0; msc_vlr_tests[test_nr]; test_nr ++) {
+	nr--; /* arg's first test is 1, in here it's 0 */
+	for (test_nr = 0; msc_vlr_tests[test_nr]; test_nr++) {
 		if (nr >= 0 && test_nr != nr)
 			continue;
 
diff --git a/tests/sms_queue/sms_queue_test.c b/tests/sms_queue/sms_queue_test.c
index 0ff636e..641cc5f 100644
--- a/tests/sms_queue/sms_queue_test.c
+++ b/tests/sms_queue/sms_queue_test.c
@@ -107,7 +107,7 @@
 		fake_sms.receiver = fake_sms_db[i].vsub_attached? &arbitrary_vsub : NULL;
 		osmo_strlcpy(fake_sms.text, fake_sms_db[i].msisdn, sizeof(fake_sms.text));
 		if (fake_sms_db[i].vsub_attached)
-			fake_sms_db[i].nr_of_sms --;
+			fake_sms_db[i].nr_of_sms--;
 		return &fake_sms;
 	}
 	return NULL;