diff --git a/pyfpdb/Database.py b/pyfpdb/Database.py
index 28b6bdc9..c7e00190 100644
--- a/pyfpdb/Database.py
+++ b/pyfpdb/Database.py
@@ -1110,6 +1110,7 @@ class Database:
         """(Re-)creates the tables of the current DB"""
         
         self.drop_tables()
+        self.resetPlayerIDs()
         self.create_tables()
         self.createAllIndexes()
         self.commit()
@@ -1838,6 +1839,9 @@ class Database:
                                     #FIXME: recognise currency
         return tmp[0]
 
+    def resetPlayerIDs(self):
+        self.pcache = None
+
     def getSqlPlayerIDs(self, pnames, siteid):
         result = {}
         if(self.pcache == None):
diff --git a/pyfpdb/fpdb.pyw b/pyfpdb/fpdb.pyw
index 295ed7d3..8cd8b129 100755
--- a/pyfpdb/fpdb.pyw
+++ b/pyfpdb/fpdb.pyw
@@ -547,6 +547,10 @@ class fpdb:
                 #    self.release_global_lock()
                 #    lock_released = True
                 self.db.recreate_tables()
+                # find any guibulkimport windows and clear player cache:
+                for t in self.threads:
+                    if isinstance(t, GuiBulkImport.GuiBulkImport):
+                        t.importer.database.resetPlayerIDs()
                 self.release_global_lock()
                 #else:
                     # for other dbs use same connection as holds global lock