diff --git a/Map.hpp b/Map.hpp
index e1d091f..7dbeef0 100644
--- a/Map.hpp
+++ b/Map.hpp
@@ -541,9 +541,21 @@ private:
     // 1 child
     else if (erasing->left) {
       *erasing = std::move(*erasing->left);
+      if (erasing->prev != nullptr) {
+        erasing->prev->next = erasing;
+      }
+      if (erasing->next != nullptr) {
+        erasing->next->prev = erasing;
+      }
       return true;
     } else if (erasing->right) {
       *erasing = std::move(*erasing->right);
+      if (erasing->prev != nullptr) {
+        erasing->prev->next = erasing;
+      }
+      if (erasing->next != nullptr) {
+        erasing->next->prev = erasing;
+      }
       return true;
     }
     //  no children and root
diff --git a/suspects b/suspects
new file mode 100644
index 0000000..b5c0223
--- /dev/null
+++ b/suspects
@@ -0,0 +1,3 @@
+core_erase
+
+erase_child