diff --git a/vulnerabilities/data_dump.py b/vulnerabilities/data_dump.py
index 561c91bb2..06b3a9ce1 100644
--- a/vulnerabilities/data_dump.py
+++ b/vulnerabilities/data_dump.py
@@ -34,12 +34,12 @@ def debian_dump(extract_data):
     Save data scraped from Debian' security tracker.
     """
     for data in extract_data:
-        vulnerability = Vulnerability.objects.create(
+        vulnerability = Vulnerability.objects.update_or_create(
             summary=data.get('description', ''),
         )
         VulnerabilityReference.objects.create(
             vulnerability=vulnerability,
-            reference_id=data.get('vulnerability_id', ''),
+            reference_id=data.get('vulnerability_id', '')
         )
         package = Package.objects.create(
             name=data.get('package_name', ''),
@@ -61,7 +61,7 @@ def ubuntu_dump(html):
         )
         VulnerabilityReference.objects.create(
             vulnerability=vulnerability,
-            reference_id=data.get('cve_id'),
+            reference_id=data.get('cve_id')
         )
         package = Package.objects.create(
             name=data.get('package_name'),
diff --git a/vulnerabilities/tests/test_data/debian.json b/vulnerabilities/tests/test_data/debian.json
index 843d43842..4c8723dcd 100644
--- a/vulnerabilities/tests/test_data/debian.json
+++ b/vulnerabilities/tests/test_data/debian.json
@@ -31,11 +31,11 @@
 			"urgency": "medium", 
 			"fixed_version": "1.50-1.1"}}}, 
 
-"CVE-2009-2459": 
-	{"scope": "un-remote", 
-	"debianbug": 537254, 
-	"description": "Multiple unspecified vulnerabilities in mimeTeX.", 
-	"releases": 
+"CVE-2009-2459":
+	{"scope": "un-remote",
+	"debianbug": 537254,
+	"description": "Multiple unspecified vulnerabilities in mimeTeX.",
+	"releases":
 	{"stretch": 
 		{"status": "resolved", 
 		"repositories": {"stretch": "1.74-1"}, 
@@ -102,4 +102,5 @@
 				}	
 			}
 		}
-	} 
\ No newline at end of file
+	}
+
diff --git a/vulnerabilities/tests/test_data_dump.py b/vulnerabilities/tests/test_data_dump.py
index d538ab88f..30f68a744 100644
--- a/vulnerabilities/tests/test_data_dump.py
+++ b/vulnerabilities/tests/test_data_dump.py
@@ -63,8 +63,10 @@ def test_debian_data_dump(self):
         self.assertTrue(Vulnerability.objects.get(
                         summary='Multiple stack-based buffer overflows in mimetex.cgi in mimeTeX'))
 
-        self.assertTrue(Vulnerability.objects.get(
+        self.assertFalse(Vulnerability.objects.get(
                         summary='Multiple unspecified vulnerabilities in mimeTeX.'))
+        self.assertTrue(Vulnerability.objects.get(
+                        scope='punni'))
 
         self.assertTrue(VulnerabilityReference.objects.get(reference_id='CVE-2009-2458'))