diff --git a/src/com/blarg/gdx/math/SweptSphereWorldCollisionChecker.java b/src/com/blarg/gdx/math/SweptSphereWorldCollisionChecker.java
index d2d110c..a912fc1 100644
--- a/src/com/blarg/gdx/math/SweptSphereWorldCollisionChecker.java
+++ b/src/com/blarg/gdx/math/SweptSphereWorldCollisionChecker.java
@@ -3,5 +3,5 @@ package com.blarg.gdx.math;
 import com.badlogic.gdx.math.collision.BoundingBox;
 
 public interface SweptSphereWorldCollisionChecker {
-	void checkForCollisions(SweptSphere sphere, BoundingBox possibleCollisionArea);
+	boolean checkForCollisions(SweptSphere sphere, BoundingBox possibleCollisionArea);
 }