diff --git a/main/logger.c b/main/logger.c
index e9f8f96619..d742b49975 100644
--- a/main/logger.c
+++ b/main/logger.c
@@ -97,6 +97,11 @@ static int logger_queue_limit = 1000;
 static int logger_messages_discarded;
 static unsigned int high_water_alert;
 
+/* On some platforms, like those with MUSL as the runtime, BUFSIZ is
+ * unreasonably small (1024). Use a larger value in those environments.
+ */
+#define LOGMSG_SIZE		MAX(BUFSIZ, 8192)
+
 static enum rotatestrategy {
 	NONE = 0,                /* Do not rotate log files at all, instead rely on external mechanisms */
 	SEQUENTIAL = 1 << 0,     /* Original method - create a new file, in order */
@@ -1665,7 +1670,7 @@ static struct sigaction handle_SIGXFSZ = {
 static void logger_print_normal(struct logmsg *logmsg)
 {
 	struct logchannel *chan = NULL;
-	char buf[BUFSIZ];
+	char buf[LOGMSG_SIZE];
 	int level = 0;
 
 	AST_RWLIST_RDLOCK(&logchannels);
@@ -1698,13 +1703,13 @@ static void logger_print_normal(struct logmsg *logmsg)
 
 					/* Don't use LOG_MAKEPRI because it's broken in glibc<2.17 */
 					syslog_level = chan->facility | syslog_level; /* LOG_MAKEPRI(chan->facility, syslog_level); */
-					if (!chan->formatter.format_log(chan, logmsg, buf, BUFSIZ)) {
+					if (!chan->formatter.format_log(chan, logmsg, buf, sizeof(buf))) {
 						syslog(syslog_level, "%s", buf);
 					}
 				}
 				break;
 			case LOGTYPE_CONSOLE:
-				if (!chan->formatter.format_log(chan, logmsg, buf, BUFSIZ)) {
+				if (!chan->formatter.format_log(chan, logmsg, buf, sizeof(buf))) {
 					ast_console_puts_mutable_full(buf, logmsg->level, logmsg->sublevel);
 				}
 				break;
@@ -1716,7 +1721,7 @@ static void logger_print_normal(struct logmsg *logmsg)
 						continue;
 					}
 
-					if (chan->formatter.format_log(chan, logmsg, buf, BUFSIZ)) {
+					if (chan->formatter.format_log(chan, logmsg, buf, sizeof(buf))) {
 						continue;
 					}
 
@@ -1780,7 +1785,7 @@ static struct logmsg * __attribute__((format(printf, 7, 0))) format_log_message_
 	}
 
 	/* Build string */
-	res = ast_str_set_va(&buf, BUFSIZ, fmt, ap);
+	res = ast_str_set_va(&buf, LOGMSG_SIZE, fmt, ap);
 
 	/* If the build failed, then abort and free this structure */
 	if (res == AST_DYNSTR_BUILD_FAILED) {