diff --git a/src/lib/arch/unix/ArchFileUnix.cpp b/src/lib/arch/unix/ArchFileUnix.cpp
index 0f19d1a31..0dd846362 100644
--- a/src/lib/arch/unix/ArchFileUnix.cpp
+++ b/src/lib/arch/unix/ArchFileUnix.cpp
@@ -88,6 +88,7 @@ ArchFileUnix::getSystemDirectory()
 	return "/etc";
 }
 
+std::string
 ArchFileUnix::getInstalledDirectory()
 {
 #if WINAPI_XWINDOWS