diff --git a/dataset/table.py b/dataset/table.py
index 5a3d81c..c8d1948 100644
--- a/dataset/table.py
+++ b/dataset/table.py
@@ -413,9 +413,9 @@ class Table(object):
             start, end = value
             return self.table.c[column].between(start, end)
         if op in ("startswith",):
-            return self.table.c[column].like("%" + value)
-        if op in ("endswith",):
             return self.table.c[column].like(value + "%")
+        if op in ("endswith",):
+            return self.table.c[column].like("%" + value)
         return false()
 
     def _args_to_clause(self, args, clauses=()):