diff --git a/src/cpp/ripple/RippleCalc.cpp b/src/cpp/ripple/RippleCalc.cpp
index b6b572805..4e2e66bce 100644
--- a/src/cpp/ripple/RippleCalc.cpp
+++ b/src/cpp/ripple/RippleCalc.cpp
@@ -912,6 +912,7 @@ TER RippleCalc::calcNodeAdvance(
 			{
 				// No more offers. Should be done rather than fall off end of book.
 				cLog(lsWARNING) << "calcNodeAdvance: Unreachable: Fell off end of order book.";
+				return mOpenLedger ? telFAILED_PROCESSING : tecFAILED_PROCESSING; // FIXME
 				assert(false);
 
 				terResult	= tefEXCEPTION;