1 files changed, 2 insertions, 0 deletions

diff --git a/src/unstable/json.cpp b/src/unstable/json.cpp
index b1414a9..8c766dd 100644
--- a/src/unstable/json.cpp
+++ b/src/unstable/json.cpp
@@ -276,6 +276,8 @@ Bu::Json &Bu::Json::append( bool bValue )
 
 Bu::Json &Bu::Json::appendObject()
 {
+    if( eType != Array )
+        throw Bu::ExceptionBase("Cannot append to non-array Json Types.");
     Json *pOb = new Json( Object );
     uDat.pArray->append( pOb );
     return *pOb;