diff --git a/main/astrodatagui/db/StarsDB.py b/main/astrodatagui/db/StarsDB.py
index 39bdf64..11fdd7b 100644
--- a/main/astrodatagui/db/StarsDB.py
+++ b/main/astrodatagui/db/StarsDB.py
@@ -88,9 +88,16 @@ class StarDB():
          );""")
 
         self.insertDefaultValues()
+        self.dbCorrection()
 
         self.connection.commit()
 
+    def dbCorrection(self):
+        self.dbCursor.execute("""UPDATE TABLE starInfo
+         SET spType = "-"
+         WHERE spType IS NULL
+            OR length(spType) = 0;""")
+
     def insertDefaultValues(self):
         sources = ["TESS", "Kepler", "K2"]
         for s in sources: