diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 1bc4019e7..1f3b3ea08 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.58 - 
 ===================================
+  Fix _output_field crash from field_id free with DEBUG_MEM. (1.02.57)
 
 Version 1.02.57 - 8th November 2010
 ===================================
diff --git a/libdm/libdm-report.c b/libdm/libdm-report.c
index d5e94e6f7..9b8e3c18a 100644
--- a/libdm/libdm-report.c
+++ b/libdm/libdm-report.c
@@ -929,7 +929,7 @@ static int _output_field(struct dm_report *rh, struct dm_report_field *field)
 			return 0;
 		}
 
-		free(field_id);
+		dm_free(field_id);
 
 		if (!dm_pool_grow_object(rh->mem, "=", 1)) {
 			log_error("dm_report: Unable to extend output line");