diff --git a/test/issues/test-issue266.py b/test/issues/test-issue266.py
new file mode 100644
index 000000000..f7cdf6d5a
--- /dev/null
+++ b/test/issues/test-issue266.py
@@ -0,0 +1,12 @@
+import pandas as pd
+import numpy as np
+import gc
+
+def f():
+    print('called f')
+    #Uses around 4GB of memory when looped once
+    df = np.ones(500000000)
+    
+#Uses around 20GB of memory when looped 5 times
+for i in range(0,5):
+    f()