diff --git a/src/driver_playback.c b/src/driver_playback.c
index afe64206..0a17b08d 100644
--- a/src/driver_playback.c
+++ b/src/driver_playback.c
@@ -222,7 +222,7 @@ static int parse_and_run_imu(const char *line, SurvivePlaybackData *driver, bool
 		return 0;
 
 	char dev[10];
-	int timecode = 0;
+	survive_timecode timecode = 0;
 	FLT accelgyro[9] = { 0 };
 	int mask;
 	int id;
@@ -231,7 +231,7 @@ static int parse_and_run_imu(const char *line, SurvivePlaybackData *driver, bool
 	char i_char = 0;
 
 	int rr = sscanf(line,
-					"%s %c %d %d " FLT_sformat " " FLT_sformat " " FLT_sformat " " FLT_sformat " " FLT_sformat
+					"%s %c %d %u " FLT_sformat " " FLT_sformat " " FLT_sformat " " FLT_sformat " " FLT_sformat
 					" " FLT_sformat " " FLT_sformat " " FLT_sformat " " FLT_sformat "%d",
 					dev, &i_char, &mask, &timecode, &accelgyro[0], &accelgyro[1], &accelgyro[2], &accelgyro[3],
 					&accelgyro[4], &accelgyro[5], &accelgyro[6], &accelgyro[7], &accelgyro[8], &id);
diff --git a/src/driver_usbmon.c b/src/driver_usbmon.c
index a476afe7..0858e5c8 100644
--- a/src/driver_usbmon.c
+++ b/src/driver_usbmon.c
@@ -790,7 +790,14 @@ static int gzip_cookie_close(void *cookie) { return gzclose((gzFile)cookie); }
 
 static ssize_t gzip_cookie_read(void *cookie, char *buf, size_t nbytes) { return gzread((gzFile)cookie, buf, nbytes); }
 
-int gzip_cookie_seek(void *cookie, z_off_t *pos, int __w) { return gzseek((gzFile)cookie, *pos, __w); }
+static int gzip_cookie_seek(void *cookie, off64_t *pos, int whence) {
+	z_off64_t r = gzseek64((gzFile)cookie, (z_off64_t)*pos, whence);
+	if (r < 0)
+		return -1;
+
+	*pos = (off64_t)r;
+	return 0;
+}
 
 cookie_io_functions_t gzip_cookie = {
 	.close = gzip_cookie_close, .write = gzip_cookie_write, .read = gzip_cookie_read, .seek = gzip_cookie_seek};
diff --git a/src/survive_sensor_activations.c b/src/survive_sensor_activations.c
index e5d18e16..bdc3ee2f 100644
--- a/src/survive_sensor_activations.c
+++ b/src/survive_sensor_activations.c
@@ -454,7 +454,7 @@ SURVIVE_EXPORT survive_long_timecode SurviveSensorActivations_long_timecode_ligh
 	use that as a basis. It's worth noting that I've never seen a system develop this while running; it would
 	likely cause some chaos if it did since it'd kick the kalman out of sorts.
 	***/
-	if (self->last_imu != 0 && labs(time_sync_error) > 48000000) {
+	if (self->last_imu != 0 && llabs(time_sync_error) > 48000000) {
 		int64_t offset = 0x10000000;
 		int scale = DIV_ROUND_CLOSEST(time_sync_error, offset);
 		initial_time -= offset * scale;