diff --git a/aeri_qc_web/interpret_qc.py b/aeri_qc_web/interpret_qc.py
index 8247cd5f7e15a24f264e5180dd4a3488f2bb0636..847496ed25449bfb4fd70b26d31887ce850b9de5 100644
--- a/aeri_qc_web/interpret_qc.py
+++ b/aeri_qc_web/interpret_qc.py
@@ -51,16 +51,20 @@ def ignore_error(func, error):
 def plot_check(nc, check, sum_hk):
     check_var = nc.variables[check]
     passes_qc = check_var[:] < .95
-    assert len(passes_qc) == len(sum_hk)
+    if len(passes_qc) != len(sum_hk):
+        print("len(passes_qc) = {}\nlen(sum_hk) = {}".format(len(passes_qc), len(sum_hk)))
+    len_shortest = min(len(passes_qc),len(sum_hk))
+    passes_qc = passes_qc[:len_shortest]
+        
     for depend in check_var.depends.split(','):
         if depend in sum_hk.columns:
             fig = plt.figure()
             # Passing check and qc_percent
-            ignore_error(lambda : sum_hk[depend].ix[(nc.variables['qc_percent'][:] < .95) & passes_qc].plot(style='b.'), TypeError)
+            ignore_error(lambda : sum_hk[depend].iloc[:len_shortest].ix[(nc.variables['qc_percent'][:len_shortest] < .95) & passes_qc].plot(style='b.'), TypeError)
             # Passing check but fails overall
-            ignore_error(lambda : sum_hk[depend].ix[(nc.variables['qc_percent'][:] > .95) & passes_qc].plot(style='k.',alpha=.2), TypeError)
+            ignore_error(lambda : sum_hk[depend].iloc[:len_shortest].ix[(nc.variables['qc_percent'][:len_shortest] > .95) & passes_qc].plot(style='k.',alpha=.2), TypeError)
             # Failing check and implicitly failing overall
-            ignore_error(lambda : sum_hk[depend].ix[~passes_qc].plot(style='r.'), TypeError)
+            ignore_error(lambda : sum_hk[depend].iloc[:len_shortest].ix[~passes_qc].plot(style='r.'), TypeError)
             plt.xlabel('Record')
             plt.title(depend)
             yield mpld3.fig_to_html(fig)