--- a/Source/WebKit/UIProcess/glib/WebProcessPoolGLib.cpp
+++ b/Source/WebKit/UIProcess/glib/WebProcessPoolGLib.cpp
@@ -84,7 +84,7 @@ void WebProcessPool::platformInitializeWebProcess(const WebProcessProxy& process
 
 #if PLATFORM(WAYLAND)
     if (WebCore::PlatformDisplay::sharedDisplay().type() == WebCore::PlatformDisplay::Type::Wayland) {
-        wpe_loader_init("libWPEBackend-fdo-1.0.so.1");
+        wpe_loader_init("@wpebackend_fdo@/lib/libWPEBackend-fdo-1.0.so.1");
         if (AcceleratedBackingStoreWayland::checkRequirements()) {
             parameters.hostClientFileDescriptor = UnixFileDescriptor { wpe_renderer_host_create_client(), UnixFileDescriptor::Adopt };
             parameters.implementationLibraryName = FileSystem::fileSystemRepresentation(String::fromLatin1(wpe_loader_get_loaded_implementation_library_name()));