1 files changed, 5 insertions, 2 deletions
diff --git a/src/util/expression-evaluator.cpp b/src/util/expression-evaluator.cpp
index b0b8e6036..dd7ce97f7 100644
--- a/src/util/expression-evaluator.cpp
+++ b/src/util/expression-evaluator.cpp
@@ -208,8 +208,11 @@ EvaluatorQuantity ExpressionEvaluator::evaluateFactor()
 {
     EvaluatorQuantity evaluated_factor = EvaluatorQuantity();
     EvaluatorToken consumed_token = EvaluatorToken();
-    
-    if (acceptToken(TOKEN_NUM, &consumed_token)) {
+
+    if (acceptToken(TOKEN_END, &consumed_token)) {
+        return evaluated_factor;
+    }
+    else if (acceptToken(TOKEN_NUM, &consumed_token)) {
         evaluated_factor.value = consumed_token.value.fl;
     } else if (acceptToken('(', NULL)) {
         evaluated_factor = evaluateExpression();