1 files changed, 2 insertions, 0 deletions
diff --git a/valexpr.cc b/valexpr.cc
index 2889c602..6a3ccde7 100644
--- a/valexpr.cc
+++ b/valexpr.cc
@@ -269,6 +269,7 @@ void node_t::compute(balance_t& result, const details_t& details) const
     assert(right);
     left->compute(result, details);
     balance_t temp = result;
+    result = 0;
     right->compute(result, details);
     switch (type) {
     case O_EQ:  result = temp == result; break;
@@ -289,6 +290,7 @@ void node_t::compute(balance_t& result, const details_t& details) const
     assert(right);
     right->compute(result, details);
     balance_t temp = result;
+    result = 0;
     left->compute(result, details);
     switch (type) {
     case O_ADD: result += temp; break;