2 files changed, 2 insertions, 2 deletions
diff --git a/portato/db/eix_sql.py b/portato/db/eix_sql.py
index ac31019..089d3ed 100644
--- a/portato/db/eix_sql.py
+++ b/portato/db/eix_sql.py
@@ -51,7 +51,7 @@ class EixSQLDatabase (SQLDatabase):
 
     @SQLDatabase.con
     def populate (self, category = None, connection = None):
-        inst = system.find_packages(pkgSet = system.SET_INSTALLED, key = category, with_version = False)
+        inst = set(system.find_packages(pkgSet = system.SET_INSTALLED, key = category, with_version = False))
 
         def _get():
             with EixReader(self.cache) as eix:
diff --git a/portato/db/sql.py b/portato/db/sql.py
index f2a736e..415df92 100644
--- a/portato/db/sql.py
+++ b/portato/db/sql.py
@@ -175,7 +175,7 @@ class SQLDatabase (Database):
     def populate (self, category = None, connection = None):
         def _get():
             # get the lists
-            inst = system.find_packages(pkgSet = system.SET_INSTALLED, key=category, with_version = False)
+            inst = set(system.find_packages(pkgSet = system.SET_INSTALLED, key=category, with_version = False))
             for p in system.find_packages(key = category, with_version = False):
                 cat, pkg = p.split("/")