Index: src/OFMutableURL.h
==================================================================
--- src/OFMutableURL.h
+++ src/OFMutableURL.h
@@ -141,12 +141,17 @@
  *
  * @return A new, autoreleased OFMutableURL
  */
 + (instancetype)URL;
 
+/*!
+ * @brief Resolves relative sub paths.
+ */
+- (void)standardizePath;
+
 /*!
  * @brief Converts the mutable URL to an immutable URL.
  */
 - (void)makeImmutable;
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/OFMutableURL.m
==================================================================
--- src/OFMutableURL.m
+++ src/OFMutableURL.m
@@ -253,11 +253,73 @@
 
 	[copy makeImmutable];
 
 	return copy;
 }
+
+- (void)standardizePath
+{
+	void *pool;
+	OFMutableArray OF_GENERIC(OFString *) *array;
+	bool done = false, endsWithEmpty;
+	OFString *path;
+
+	if (_URLEncodedPath == nil)
+		return;
+
+	pool = objc_autoreleasePoolPush();
+
+	array = [[[_URLEncodedPath
+	    componentsSeparatedByString: @"/"] mutableCopy] autorelease];
+
+	if ([[array firstObject] length] != 0)
+		@throw [OFInvalidFormatException exception];
+
+	endsWithEmpty = ([[array lastObject] length] == 0);
+
+	while (!done) {
+		size_t length = [array count];
+
+		done = true;
+
+		for (size_t i = 0; i < length; i++) {
+			id object = [array objectAtIndex: i];
+			id parent =
+			    (i > 0 ? [array objectAtIndex: i - 1] : nil);
+
+			if ([object isEqual: @"."] || [object length] == 0) {
+				[array removeObjectAtIndex: i];
+
+				done = false;
+				break;
+			}
+
+			if ([object isEqual: @".."] && parent != nil &&
+			    ![parent isEqual: @".."]) {
+				[array removeObjectsInRange:
+				    of_range(i - 1, 2)];
+
+				done = false;
+				break;
+			}
+		}
+	}
+
+	[array insertObject: @""
+		    atIndex: 0];
+	if (endsWithEmpty)
+		[array addObject: @""];
+
+	path = [array componentsJoinedByString: @"/"];
+	if ([path length] == 0)
+		path = @"/";
+
+	[self setURLEncodedPath: path];
+
+	objc_autoreleasePoolPop(pool);
+}
 
 - (void)makeImmutable
 {
 	object_setClass(self, [OFURL class]);
 }
 @end

Index: src/OFURL.m
==================================================================
--- src/OFURL.m
+++ src/OFURL.m
@@ -1139,73 +1139,16 @@
 	return ret;
 }
 
 - (OFURL *)URLByStandardizingPath
 {
-	void *pool;
-	OFMutableArray OF_GENERIC(OFString *) *array;
-	bool done = false, endsWithEmpty;
-	OFString *path;
-	OFMutableURL *URL;
-
-	if (_URLEncodedPath == nil)
-		return self;
-
-	pool = objc_autoreleasePoolPush();
-
-	array = [[[_URLEncodedPath
-	    componentsSeparatedByString: @"/"] mutableCopy] autorelease];
-
-	if ([[array firstObject] length] != 0)
-		@throw [OFInvalidFormatException exception];
-
-	endsWithEmpty = ([[array lastObject] length] == 0);
-
-	while (!done) {
-		size_t length = [array count];
-
-		done = true;
-
-		for (size_t i = 0; i < length; i++) {
-			id object = [array objectAtIndex: i];
-			id parent =
-			    (i > 0 ? [array objectAtIndex: i - 1] : nil);
-
-			if ([object isEqual: @"."] || [object length] == 0) {
-				[array removeObjectAtIndex: i];
-
-				done = false;
-				break;
-			}
-
-			if ([object isEqual: @".."] && parent != nil &&
-			    ![parent isEqual: @".."]) {
-				[array removeObjectsInRange:
-				    of_range(i - 1, 2)];
-
-				done = false;
-				break;
-			}
-		}
-	}
-
-	[array insertObject: @""
-		    atIndex: 0];
-	if (endsWithEmpty)
-		[array addObject: @""];
-
-	path = [array componentsJoinedByString: @"/"];
-	if ([path length] == 0)
-		path = @"/";
-
-	URL = [[self mutableCopy] autorelease];
-	[URL setURLEncodedPath: path];
+	OFMutableURL *URL = [[self mutableCopy] autorelease];
+
+	[URL standardizePath];
 	[URL makeImmutable];
 
-	[URL retain];
-	objc_autoreleasePoolPop(pool);
-	return [URL autorelease];
+	return URL;
 }
 
 - (OFString *)description
 {
 	return [OFString stringWithFormat: @"<%@: %@>",