diff --git a/storage/connect/bsonudf.cpp b/storage/connect/bsonudf.cpp
index 30cb69d1775..18382c7a273 100644
--- a/storage/connect/bsonudf.cpp
+++ b/storage/connect/bsonudf.cpp
@@ -31,6 +31,7 @@ int  JsonDefPrec = -1;
 int  GetDefaultPrec(void);
 int  IsArgJson(UDF_ARGS* args, uint i);
 void SetChanged(PBSON bsp);
+int  GetJsonDefPrec(void);
 
 static PBSON BbinAlloc(PGLOBAL g, ulong len, PBVAL jsp);