diff --git a/src/osmo-bsc/pcu_sock.c b/src/osmo-bsc/pcu_sock.c
index 45ff835f1..2cf1ab5d2 100644
--- a/src/osmo-bsc/pcu_sock.c
+++ b/src/osmo-bsc/pcu_sock.c
@@ -567,8 +567,10 @@ static int pcu_sock_read(struct osmo_fd *bfd)
 		goto close;
 
 	if (rc < 0) {
-		if (errno == EAGAIN)
+		if (errno == EAGAIN) {
+			msgb_free(msg);
 			return 0;
+		}
 		goto close;
 	}