diff --git a/include/zipr_plugin.h b/include/zipr_plugin.h
index 5a5361f169869fe43586c79d9cd9df0af413220a..c5d59037792159e0c0e14bccb31c1bc35a97d49d 100644
--- a/include/zipr_plugin.h
+++ b/include/zipr_plugin.h
@@ -30,7 +30,7 @@ class ZiprPluginInterface_t
 		{
 		}
 
-		virtual ZiprPreference AddressDollop(const Dollop_t *dollop, const RangeAddress_t &source, Range_t &place, bool &coalesce)
+		virtual ZiprPreference AddressDollop(const Dollop_t *dollop, const RangeAddress_t &source, Range_t &place, bool &coalesce, bool &fallthrough_ok)
 		{
 			return None;
 		}