diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index 65911275d..99c187683 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -569,10 +569,10 @@ static void process_call_accepted(LinphoneCore *lc, LinphoneCall *call, SalOp *o
 		switch (call->state){
 			case LinphoneCallResuming:
 				linphone_core_notify_display_status(lc,_("Call resumed."));
-			/*intentionally no break*/
+				LINPHONE_NO_BREAK; /*intentionally no break*/
 			case LinphoneCallConnected:
 				if (call->referer) linphone_core_notify_refer_state(lc,call->referer,call);
-			/*intentionally no break*/
+				LINPHONE_NO_BREAK; /*intentionally no break*/
 			case LinphoneCallUpdating:
 			case LinphoneCallUpdatedByRemote:
 				if (!sal_media_description_has_dir(call->localdesc, SalStreamInactive) &&
@@ -741,7 +741,7 @@ static void call_updated(LinphoneCore *lc, LinphoneCall *call, SalOp *op, bool_t
 		case LinphoneCallResuming:
 			sal_error_info_set(&sei,SalReasonInternalError, "SIP", 0, NULL, NULL);
 			sal_call_decline_with_error_info(call->op, &sei,NULL);
-			/*no break*/
+			LINPHONE_NO_BREAK; /*no break*/
 		case LinphoneCallIdle:
 		case LinphoneCallOutgoingInit:
 		case LinphoneCallEnd:
diff --git a/coreapi/friend.c b/coreapi/friend.c
index ff47cabff..35382d41a 100644
--- a/coreapi/friend.c
+++ b/coreapi/friend.c
@@ -79,6 +79,7 @@ const char *linphone_online_status_to_string(LinphoneOnlineStatus ss){
 		break;
 		case LinphoneStatusVacation:
 		str=_("Vacation");
+		break;
 		default:
 		str=_("Unknown status");
 	}
diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index eeefc8577..67eabe457 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -2540,6 +2540,7 @@ static void setZrtpCryptoTypesParameters(MSZrtpParams *params, LinphoneCore *lc)
 					break;
 				case MS_AES_CM_256_SHA1_80:
 				    ms_warning("Deprecated crypto suite MS_AES_CM_256_SHA1_80, use MS_AES_256_SHA1_80 instead");
+					LINPHONE_NO_BREAK;
 				case MS_AES_256_SHA1_80:
 				    params->ciphers[params->ciphersCount++] = MS_ZRTP_CIPHER_AES3;
                     params->authTags[params->authTagsCount++] = MS_ZRTP_AUTHTAG_HS80;
@@ -3797,6 +3798,7 @@ void linphone_call_start_media_streams(LinphoneCall *call, LinphoneCallState nex
 			if (linphone_core_get_remote_ringback_tone(lc)){
 				call->playing_ringbacktone = TRUE;
 			}
+			LINPHONE_NO_BREAK;
 		case LinphoneCallOutgoingEarlyMedia:
 			if (!call->params->real_early_media){
 				call->all_muted = TRUE;
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 395097823..67a237e11 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -460,12 +460,16 @@ void linphone_core_set_log_level(OrtpLogLevel loglevel) {
 		case ORTP_TRACE:
 		case ORTP_DEBUG:
 			mask |= ORTP_DEBUG;
+			LINPHONE_NO_BREAK;
 		case ORTP_MESSAGE:
 			mask |= ORTP_MESSAGE;
+			LINPHONE_NO_BREAK;
 		case ORTP_WARNING:
 			mask |= ORTP_WARNING;
+			LINPHONE_NO_BREAK;
 		case ORTP_ERROR:
 			mask |= ORTP_ERROR;
+			LINPHONE_NO_BREAK;
 		case ORTP_FATAL:
 			mask |= ORTP_FATAL;
 			break;
diff --git a/gtk/main.c b/gtk/main.c
index 85ec6d36d..b32b922c2 100644
--- a/gtk/main.c
+++ b/gtk/main.c
@@ -1417,6 +1417,7 @@ static void linphone_gtk_call_state_changed(LinphoneCore *lc, LinphoneCall *call
 		case LinphoneCallPausing:
 			linphone_gtk_enable_hold_button(call,TRUE,FALSE);
 			linphone_gtk_call_update_tab_header(call,FALSE);
+			LINPHONE_NO_BREAK;
 		case LinphoneCallPausedByRemote:
 			linphone_gtk_in_call_view_set_paused(call);
 			linphone_gtk_call_update_tab_header(call,TRUE);
diff --git a/include/linphone/defs.h b/include/linphone/defs.h
index fc26222cb..825220122 100644
--- a/include/linphone/defs.h
+++ b/include/linphone/defs.h
@@ -48,5 +48,15 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #define LINPHONE_DEPRECATED MS2_DEPRECATED
 #endif
 
+/* Macro telling GCC that a 'break' statement has been deliberately omitted
+ * in switch block */
+#ifndef LINPHONE_NO_BREAK
+#ifdef __GNUC__
+#define LINPHONE_NO_BREAK __attribute__((fallthrough))
+#else
+#define LINPHONE_NO_BREAK
+#endif // __GNUC__
+#endif // LINPHONE_NO_BREAK
+
 
 #endif /* LINPHONE_DEFS_H_ */