diff --git a/gdcdictionary/schemas/_definitions.yaml b/gdcdictionary/schemas/_definitions.yaml
index 9ba3e20..09e2358 100644
--- a/gdcdictionary/schemas/_definitions.yaml
+++ b/gdcdictionary/schemas/_definitions.yaml
@@ -87,7 +87,7 @@ file_name:
         $ref: "_terms.yaml#/file_name"
 
 file_size:
-    type: number
+    type: integer
     term: 
         $ref: "_terms.yaml#/file_size"