1 files changed, 1 insertions, 0 deletions
diff --git a/src/whirligig.c b/src/whirligig.c
index 88394e01..c277cdea 100644
--- a/src/whirligig.c
+++ b/src/whirligig.c
@@ -156,6 +156,7 @@ static void process_series(struct image *images, signed int *ser,
 	for ( i=0; i<len; i++ ) {
 		reflist_free(p[i]);
 		ser[i] = -1;
+		intmat_free(mat[i]);
 	}
 	free(p);
 }