diff --git a/code/lib/lmdk_lib.py b/code/lib/lmdk_lib.py
index d040af2..d7ffbbc 100644
--- a/code/lib/lmdk_lib.py
+++ b/code/lib/lmdk_lib.py
@@ -209,7 +209,7 @@ def get_hist(seq, lmdks):
   h = math.ceil(max(seq)/math.ceil(max(seq)/math.ceil(h)))
 
   # Create an empty histogram with intervals of size h
-  hist = np.zeros(math.ceil(max(seq)/h))
+  hist = np.zeros(math.ceil(max(seq)/h), dtype = int)
 
   for lmdk in lmdks:
     hist[int(lmdk/h) - 1] += 1
@@ -912,7 +912,7 @@ def find_lmdks_seq(seq, lmdks):
   for i, p in enumerate(seq):
     if any(np.equal(lmdks, p).all(1)):
       lmdks_seq.append(i + 1)
-  return np.numpy(lmdks_seq, dtype = int)
+  return np.array(lmdks_seq, dtype = int)
 
 
 def find_lmdks_tim(lmdk_data, seq, uid, pct):