diff --git a/src/Mapper.cxx b/src/Mapper.cxx
index 14718ca09..7189544e7 100644
--- a/src/Mapper.cxx
+++ b/src/Mapper.cxx
@@ -98,7 +98,7 @@ map_fs_to_utf8(Path _path_fs)
 		if (music_dir_fs.IsNull())
 			return std::string();
 
-		path_fs = music_dir_fs.RelativeFS(path_fs);
+		path_fs = music_dir_fs.Relative(path_fs);
 		if (path_fs == nullptr || *path_fs == 0)
 			return std::string();
 	}
diff --git a/src/fs/AllocatedPath.cxx b/src/fs/AllocatedPath.cxx
index 2d51b6285..51a058ffc 100644
--- a/src/fs/AllocatedPath.cxx
+++ b/src/fs/AllocatedPath.cxx
@@ -62,7 +62,7 @@ AllocatedPath::ToUTF8() const
 }
 
 const char *
-AllocatedPath::RelativeFS(const char *other_fs) const
+AllocatedPath::Relative(const char *other_fs) const
 {
 	const size_t l = length();
 	if (memcmp(data(), other_fs, l) != 0)
diff --git a/src/fs/AllocatedPath.hxx b/src/fs/AllocatedPath.hxx
index 1f5733244..4496981d7 100644
--- a/src/fs/AllocatedPath.hxx
+++ b/src/fs/AllocatedPath.hxx
@@ -249,7 +249,7 @@ public:
 	 * nullptr on mismatch.
 	 */
 	gcc_pure
-	const char *RelativeFS(const char *other_fs) const;
+	const char *Relative(const char *other_fs) const;
 
 	/**
 	 * Chop trailing directory separators.
diff --git a/src/fs/Path.hxx b/src/fs/Path.hxx
index bf6d1e3ce..ef663bf0b 100644
--- a/src/fs/Path.hxx
+++ b/src/fs/Path.hxx
@@ -153,7 +153,7 @@ public:
 	 * nullptr on mismatch.
 	 */
 	gcc_pure
-	const_pointer RelativeFS(const_pointer other_fs) const {
+	const_pointer Relative(const_pointer other_fs) const {
 		return PathTraitsFS::Relative(value, other_fs);
 	}