diff --git a/WHATS_NEW b/WHATS_NEW
index 8dba1ffa2..7bdaaf26a 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.89 - 
 ==================================
+  Fix log_error() usage in raid and unknown segtype initialisation.
   Improve testing Makefile.
   Fix install_ocf make target when srcdir != builddir. (2.02.80)
   Support env vars LVM_CLVMD_BINARY and LVM_BINARY in clvmd.
diff --git a/lib/raid/raid.c b/lib/raid/raid.c
index 8bc334400..c3fc4b13c 100644
--- a/lib/raid/raid.c
+++ b/lib/raid/raid.c
@@ -338,7 +338,7 @@ static struct segment_type *_init_raid_segtype(struct cmd_context *cmd,
 	if (!segtype) {
 		log_error("Failed to allocate memory for %s segtype",
 			  raid_type);
-		return_NULL;
+		return NULL;
 	}
 	segtype->cmd = cmd;
 
diff --git a/lib/unknown/unknown.c b/lib/unknown/unknown.c
index de449bfe0..8f5c8096c 100644
--- a/lib/unknown/unknown.c
+++ b/lib/unknown/unknown.c
@@ -94,8 +94,10 @@ struct segment_type *init_unknown_segtype(struct cmd_context *cmd, const char *n
 {
 	struct segment_type *segtype = dm_zalloc(sizeof(*segtype));
 
-	if (!segtype)
-		return_NULL;
+	if (!segtype) {
+		log_error("Failed to allocate memory for unknown segtype");
+		return NULL;
+	}
 
 	segtype->cmd = cmd;
 	segtype->ops = &_unknown_ops;