diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 618673797..4303dc9ef 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.136 - 
 ======================================
+  Check mem alloc fail in _canonicalize_field_ids().
   Use unsigned math when checking more then 31 legs of raid.
   Fix 'dmstats delete' with dmsetup older than v1.02.129
   Fix stats walk segfault with dmsetup older than v1.02.129
diff --git a/libdm/libdm-report.c b/libdm/libdm-report.c
index fed79d472..ebd24391e 100644
--- a/libdm/libdm-report.c
+++ b/libdm/libdm-report.c
@@ -1228,7 +1228,10 @@ static int _canonicalize_field_ids(struct dm_report *rh)
 			return_0;
 
 		if (differs) {
-			canonical_field_dup = dm_pool_strdup(rh->mem, canonical_field);
+			if (!(canonical_field_dup = dm_pool_strdup(rh->mem, canonical_field))) {
+				log_error("_canonicalize_field_dup: dm_pool_alloc failed.");
+				return 0;
+			}
 			rh->canonical_field_ids[i] = canonical_field_dup;
 		} else
 			rh->canonical_field_ids[i] = rh->fields[i].id;