--- a/ipc/ipdl/ipdl/lower.py
+++ b/ipc/ipdl/ipdl/lower.py
@@ -300,17 +300,17 @@ For example: |Actor[]| would turn into |
 function would return true for |Actor[]|."""
     return (ipdltype.isIPDL()
             and (ipdltype.isActor()
                  or (ipdltype.isArray()
                      and _hasVisibleActor(ipdltype.basetype))))
 
 def _abortIfFalse(cond, msg):
     return StmtExpr(ExprCall(
-        ExprVar('MOZ_DIAGNOSTIC_ASSERT'),
+        ExprVar('MOZ_RELEASE_ASSERT'),
         [ cond, ExprLiteral.String(msg) ]))
 
 def _refptr(T):
     return Type('RefPtr', T=T)
 
 def _refptrGet(expr):
     return ExprCall(ExprSelect(expr, '.', 'get'))