diff --git a/src/computed.js b/src/computed.js
index 004635e..f64d0bb 100644
--- a/src/computed.js
+++ b/src/computed.js
@@ -9,7 +9,7 @@ export function computed(fn, dependencies = [], hash = id) {
 	// Compute new value, call subscribers if changed.
 	const accessor = function _computed() {
 		if (isDirty) {
-			const newVal = fn.apply(null, dependencies.map(runParam));
+			const newVal = fn.apply(null, dependencies.map(call));
 			isDirty = false;
 			const newId = hash(newVal);
 			if (oldId !== newId) {
@@ -49,5 +49,3 @@ export function computed(fn, dependencies = [], hash = id) {
 
 	return accessor;
 }
-
-const runParam = a => (typeof a === 'function' ? a() : a);