diff --git a/crates/torin/src/values/size.rs b/crates/torin/src/values/size.rs
index bfeb27e25..3e44bc2d1 100644
--- a/crates/torin/src/values/size.rs
+++ b/crates/torin/src/values/size.rs
@@ -322,6 +322,9 @@ impl<'a> DynamicCalculationEvaluator<'a> {
                 // function should return on DynamicCalculation::ClosedParenthesis because it does
                 // not have a precedence, thats how it actually works
                 let val = self.parse_expression(0);
+                if self.current != Some(&DynamicCalculation::ClosedParenthesis) {
+                    return None;
+                }
                 self.current = self.calcs.next();
                 Some((val?, true))
             }
diff --git a/crates/torin/tests/size.rs b/crates/torin/tests/size.rs
index 68b31b6b4..938006958 100644
--- a/crates/torin/tests/size.rs
+++ b/crates/torin/tests/size.rs
@@ -945,4 +945,16 @@ pub fn test_calc() {
         ),
         Some(-1.0 * 10.0 * 20.0)
     );
+
+    assert_eq!(
+        run_calculations(
+            &vec![
+                DynamicCalculation::OpenParenthesis,
+                DynamicCalculation::Pixels(10.0),
+            ],
+            PARENT_VALUE,
+            PARENT_VALUE
+        ),
+        None
+    );
 }