diff --git a/Code/TKState.m b/Code/TKState.m
index 1566339..99047c5 100644
--- a/Code/TKState.m
+++ b/Code/TKState.m
@@ -74,4 +74,20 @@ - (void)encodeWithCoder:(NSCoder *)aCoder
     [aCoder encodeObject:self.name forKey:@"name"];
 }
 
+# pragma mark - isEqual
+- (BOOL)isEqual:(id)other
+{
+    if (other == self) {
+        return YES;
+    }
+    if (!other || ![other isKindOfClass:[self class]]) {
+        return NO;
+    }
+    if (![[self name] isEqualToString: [other name]]) {
+        return NO;
+    }
+
+    return YES;
+}
+
 @end