diff --git a/Makefile b/Makefile
index 2b7682d..20dc096 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ LIBSRCS += hdhomerun_video.c
 CC    := $(CROSS_COMPILE)gcc
 STRIP := $(CROSS_COMPILE)strip
 
-CFLAGS += -Wall -O2 -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
+CFLAGS += -O2 -Wall -Wextra -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith -Wno-unused-parameter
 LDFLAGS += -lpthread
 SHARED = -shared -Wl,-soname,libhdhomerun$(LIBEXT)
 
diff --git a/hdhomerun_sock_posix.c b/hdhomerun_sock_posix.c
index e93bebd..f81b254 100644
--- a/hdhomerun_sock_posix.c
+++ b/hdhomerun_sock_posix.c
@@ -347,7 +347,7 @@ bool_t hdhomerun_sock_send(struct hdhomerun_sock_t *sock, const void *data, size
 {
 	const uint8_t *ptr = (const uint8_t *)data;
 	ssize_t ret = send(sock->sock, ptr, length, MSG_NOSIGNAL);
-	if (ret >= length) {
+	if (ret >= (ssize_t)length) {
 		return TRUE;
 	}
 
@@ -377,7 +377,7 @@ bool_t hdhomerun_sock_send(struct hdhomerun_sock_t *sock, const void *data, size
 		}
 
 		ret = send(sock->sock, ptr, length, MSG_NOSIGNAL);
-		if (ret >= length) {
+		if (ret >= (ssize_t)length) {
 			return TRUE;
 		}
 
@@ -409,7 +409,7 @@ bool_t hdhomerun_sock_sendto(struct hdhomerun_sock_t *sock, uint32_t remote_addr
 
 	const uint8_t *ptr = (const uint8_t *)data;
 	ssize_t ret = sendto(sock->sock, ptr, length, 0, (struct sockaddr *)&sock_addr, sizeof(sock_addr));
-	if (ret >= length) {
+	if (ret >= (ssize_t)length) {
 		return TRUE;
 	}
 
@@ -439,7 +439,7 @@ bool_t hdhomerun_sock_sendto(struct hdhomerun_sock_t *sock, uint32_t remote_addr
 		}
 
 		ret = sendto(sock->sock, ptr, length, 0, (struct sockaddr *)&sock_addr, sizeof(sock_addr));
-		if (ret >= length) {
+		if (ret >= (ssize_t)length) {
 			return TRUE;
 		}
 
diff --git a/hdhomerun_video.c b/hdhomerun_video.c
index 85c4dfd..80f5d64 100644
--- a/hdhomerun_video.c
+++ b/hdhomerun_video.c
@@ -236,7 +236,7 @@ static THREAD_FUNC_PREFIX hdhomerun_video_thread_execute(void *arg)
 
 		if (length == VIDEO_RTP_DATA_PACKET_SIZE) {
 			hdhomerun_video_parse_rtp(vs, pkt);
-			length = (int)(pkt->end - pkt->pos);
+			length = pkt->end - pkt->pos;
 		}
 
 		if (length != VIDEO_DATA_PACKET_SIZE) {