diff --git a/highs/simplex/SimplexStruct.h b/highs/simplex/SimplexStruct.h
index ff37102f50..a8b8360375 100644
--- a/highs/simplex/SimplexStruct.h
+++ b/highs/simplex/SimplexStruct.h
@@ -249,7 +249,7 @@ struct HighsSimplexBadBasisChangeRecord {
   HighsInt variable_out;
   HighsInt variable_in;
   BadBasisChangeReason reason;
-  double save_value;
+  double save_value = 0.0;
 };
 
 struct HighsRayRecord {