diff --git a/src/PlaylistFile.cxx b/src/PlaylistFile.cxx
index bcdde26cf..2af20e03a 100644
--- a/src/PlaylistFile.cxx
+++ b/src/PlaylistFile.cxx
@@ -24,6 +24,7 @@
 #include "fs/FileSystem.hxx"
 #include "fs/FileInfo.hxx"
 #include "fs/DirectoryReader.hxx"
+#include "system/Error.hxx"
 #include "util/StringCompare.hxx"
 #include "util/UriExtract.hxx"