diff --git a/ippisite/ippidb/management/commands/pca.py b/ippisite/ippidb/management/commands/pca.py
index ea84a9e66744e74109289795fbae608461a8f7bb..20fc2c4a002658554ac1bcec3678eccc33484c6d 100644
--- a/ippisite/ippidb/management/commands/pca.py
+++ b/ippisite/ippidb/management/commands/pca.py
@@ -5,8 +5,9 @@ import base64
 
 from django.core.management import BaseCommand, CommandError
 from django.forms.models import model_to_dict 
-import pandas as pd
 import matplotlib.pyplot as plt
+matplotlib.use('Agg')
+import pandas as pd
 import numpy as np
 from sklearn.decomposition import PCA
 from sklearn.preprocessing import StandardScaler