diff --git a/src/nccl_ofi_rdma.c b/src/nccl_ofi_rdma.c
index fed9b779f..453c568f2 100644
--- a/src/nccl_ofi_rdma.c
+++ b/src/nccl_ofi_rdma.c
@@ -4531,10 +4531,12 @@ static int accept(nccl_net_ofi_listen_comm_t *listen_comm,
 
 		l_comm->stage = COMM_RECV_CONN;
 
+		/* fall through */
 	case COMM_RECV_CONN:
 
 		l_comm->stage = COMM_CONN_REQ_PENDING;
 
+		/* fall through */
 	case COMM_CONN_REQ_PENDING:
 		/* COMM_CONN_REQ_PENDING: Wait until connect message has been
 		 * received. Then, prepare for sending connect accept message,
@@ -4609,6 +4611,7 @@ static int accept(nccl_net_ofi_listen_comm_t *listen_comm,
 
 		l_comm->stage = COMM_SEND_CONN;
 
+		/* fall through */
 	case COMM_SEND_CONN:
 
 		/* COMM_SEND_CONN: Send connect response message to remote */
@@ -4622,6 +4625,7 @@ static int accept(nccl_net_ofi_listen_comm_t *listen_comm,
 
 		l_comm->stage = COMM_CONN_RESP_REQ_PENDING;
 
+		/* fall through */
 	case COMM_CONN_RESP_REQ_PENDING:
 		/* COMM_CONN_RESP_REQ_PENDING: Wait until connect
 		 * response message has been delivered. Afterwards,
@@ -4655,6 +4659,7 @@ static int accept(nccl_net_ofi_listen_comm_t *listen_comm,
 		break;
 
 	case COMM_CONNECTED:
+		/* fall through */
 	default:
 		NCCL_OFI_WARN("Invalid state of receive communicator object: %d",
 			      l_comm->stage);
@@ -6201,6 +6206,7 @@ static int connect(nccl_net_ofi_ep_t *base_ep,
 		}
 
 		comm_state->stage = COMM_SEND_CONN;
+		/* fall through */
 
 	case COMM_SEND_CONN:
 
@@ -6216,6 +6222,7 @@ static int connect(nccl_net_ofi_ep_t *base_ep,
 		}
 
 		comm_state->stage = COMM_CONN_REQ_PENDING;
+		/* fall through */
 
 	case COMM_CONN_REQ_PENDING:
 		/* COMM_CONN_REQ_PENDING: Wait until connect message
@@ -6247,6 +6254,7 @@ static int connect(nccl_net_ofi_ep_t *base_ep,
 		req = NULL;
 
 		comm_state->stage = COMM_RECV_CONN;
+		/* fall through */
 
 	case COMM_RECV_CONN:
 		/* COMM_RECV_CONN: Receive connect response message from remote */
@@ -6254,6 +6262,7 @@ static int connect(nccl_net_ofi_ep_t *base_ep,
 		assert(s_comm && s_comm->num_rails > 0);
 
 		comm_state->stage = COMM_CONN_RESP_REQ_PENDING;
+		/* fall through */
 
 	case COMM_CONN_RESP_REQ_PENDING:
 
diff --git a/src/nccl_ofi_sendrecv.c b/src/nccl_ofi_sendrecv.c
index 32f1269fa..d62fbdcfb 100644
--- a/src/nccl_ofi_sendrecv.c
+++ b/src/nccl_ofi_sendrecv.c
@@ -1410,6 +1410,7 @@ static int accept(nccl_net_ofi_listen_comm_t *listen_comm,
 		}
 
 		comm_state->stage = COMM_RECV_CONN;
+		/* fall through */
 
 	case COMM_RECV_CONN:
 
@@ -1437,6 +1438,7 @@ static int accept(nccl_net_ofi_listen_comm_t *listen_comm,
 
 		comm_state->stage = COMM_CONN_REQ_PENDING;
 
+		/* fall through */
 	case COMM_CONN_REQ_PENDING:
 
 		/* Progress NCCL OFI engine so that connection is accepted */
@@ -1470,8 +1472,11 @@ static int accept(nccl_net_ofi_listen_comm_t *listen_comm,
 		break;
 
 	case COMM_SEND_CONN:
+		/* fall through */
 	case COMM_CONN_RESP_REQ_PENDING:
+		/* fall through */
 	case COMM_CONNECTED:
+		/* fall through */
 	default:
 		NCCL_OFI_WARN("Invalid state of receive communicator object: %d",
 			      stage);
@@ -2047,6 +2052,7 @@ static int connect(nccl_net_ofi_ep_t *base_ep,
 
 		comm_state->stage = COMM_SEND_CONN;
 
+		/* fall through */
 	case COMM_SEND_CONN:
 		/* Send "connect" message to remote EP */
 		rc = send_connect_message(s_comm, device, ep, req);
@@ -2063,6 +2069,7 @@ static int connect(nccl_net_ofi_ep_t *base_ep,
 		}
 
 		comm_state->stage = COMM_CONN_REQ_PENDING;
+		/* fall through */
 
 	case COMM_CONN_REQ_PENDING:
 		if (s_comm->conn_info->connect_to_self == 1) {
@@ -2095,8 +2102,11 @@ static int connect(nccl_net_ofi_ep_t *base_ep,
 		break;
 
 	case COMM_RECV_CONN:
+		/* fall through */
 	case COMM_CONN_RESP_REQ_PENDING:
+		/* fall through */
 	case COMM_CONNECTED:
+		/* fall through */
 	default:
 		NCCL_OFI_WARN("Invalid state of send communicator object: %d", stage);
 		return -EINVAL;