diff --git a/ippisite/ippidb/management/commands/import_v1_data.py b/ippisite/ippidb/management/commands/import_v1_data.py
index e06733ba84aaf60b0b4759589dc92216641f5431..bdc029992bf4c32fb2a26c50d6e703d8b14f8ddf 100644
--- a/ippisite/ippidb/management/commands/import_v1_data.py
+++ b/ippisite/ippidb/management/commands/import_v1_data.py
@@ -503,7 +503,7 @@ select distinct protein.NumUniprot, domain.PfamNumAccession  , complexe.NbCopy,
                     cpr.tolerated = row[2] == 'Y'
                     cpr.auc = row[3]
                     cpr.clearance = row[4]
-                    cpr.cmax = row[5]
+                    cpr.c_max = row[5]
                     cpr.oral_bioavailability = row[6]
                     cpr.t_demi = row[7]
                     cpr.t_max = row[8]
diff --git a/ippisite/ippidb/migrations/0035_auto_20180725_1347.py b/ippisite/ippidb/migrations/0035_auto_20180725_1347.py
new file mode 100644
index 0000000000000000000000000000000000000000..f2f809c5e61db086086125508b95ce0d609dfeeb
--- /dev/null
+++ b/ippisite/ippidb/migrations/0035_auto_20180725_1347.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2018-07-25 13:47
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ippidb', '0034_auto_20180503_2110'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='compoundpkresult',
+            old_name='cmax',
+            new_name='c_max',
+        ),
+    ]
diff --git a/ippisite/ippidb/models.py b/ippisite/ippidb/models.py
index e0d3571ff40cd5ba622bb5f3051f1225df1dcdd4..2c14ed2e752f7860bc816962f91d2deeab71b625 100644
--- a/ippisite/ippidb/models.py
+++ b/ippisite/ippidb/models.py
@@ -708,7 +708,7 @@ class CompoundPKResult(models.Model):
         'Area under curve (ng.mL-1.hr)', blank=True, null=True)
     clearance = models.DecimalField(
         'Clearance (mL/hr)', max_digits=7, decimal_places=3, blank=True, null=True)
-    cmax = models.DecimalField(
+    c_max = models.DecimalField(
         'Maximal concentration (ng/mL)', max_digits=7, decimal_places=3, blank=True, null=True)
     oral_bioavailability = models.IntegerField(
         'Oral Bioavailability (%F)', blank=True, null=True)