diff --git a/src/parse/args.rs b/src/parse/args.rs
index e2422c6..fdc4a8e 100644
--- a/src/parse/args.rs
+++ b/src/parse/args.rs
@@ -281,6 +281,7 @@ impl<'a> Parser<'a> {
 
     pub fn variadic_args(&mut self, args: CallArgs) -> SassResult<Vec<Spanned<Value>>> {
         let mut vals = Vec::new();
+        let span = args.span();
         let mut args = match args
             .0
             .into_iter()
@@ -292,7 +293,7 @@ impl<'a> Parser<'a> {
         };
         args.sort_by(|(a1, _), (a2, _)| a1.cmp(a2));
         for arg in args {
-            vals.push(self.parse_value_from_vec(arg.1)?);
+            vals.push(self.parse_value_from_vec(arg.1)?.node.eval(span)?);
         }
         Ok(vals)
     }
diff --git a/tests/min-max.rs b/tests/min-max.rs
index 3f77fcc..f887e6f 100644
--- a/tests/min-max.rs
+++ b/tests/min-max.rs
@@ -87,6 +87,11 @@ test!(
     "$a: 1px;\n$b: 2px;\na {\n  color: max($a, $b);\n}\n",
     "a {\n  color: 2px;\n}\n"
 );
+test!(
+    max_evaluated_binop,
+    "a {\n  color: max(100% - lightness(red) - 2%);\n}\n",
+    "a {\n  color: 52%;\n}\n"
+);
 error!(
     max_arg_of_incorrect_type,
     "$a: 1px;\n$b: 2px;\na {\n  color: max($a, $b, foo);\n}\n", "Error: foo is not a number."