diff --git a/src/sparsemap.c b/src/sparsemap.c
index 552de55..57d1e79 100644
--- a/src/sparsemap.c
+++ b/src/sparsemap.c
@@ -1264,6 +1264,12 @@ sparsemap_merge(sparsemap_t *map, sparsemap_t *other)
   for (size_t i = 0; i < max_chunk_count && src_count; i++) {
     sm_idx_t dst_start = *(sm_idx_t *)dst;
     sm_idx_t src_start = *(sm_idx_t *)src;
+    if (src_start > dst_start && dst_count > 0) {
+      __sm_chunk_t dst_chunk;
+      __sm_chunk_map_init(&dst_chunk, dst + sizeof(sm_idx_t));
+      dst += sizeof(sm_idx_t) + __sm_chunk_map_get_size(&dst_chunk);
+      continue;
+    }
     if (src_start == dst_start && dst_count > 0) {
       /* Chunks overlap, merge them. */
       __sm_chunk_t src_chunk;
diff --git a/tests/test.c b/tests/test.c
index 82bef5c..ffc7138 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -702,7 +702,6 @@ test_api_merge(const MunitParameter params[], void *data)
   }
 
   sparsemap_merge(map, other);
-
   assert(sparsemap_is_set(map, 0));
   assert(sparsemap_is_set(map, 2048));
   assert(sparsemap_is_set(map, 8193));