--- a/Source/WebKit/UIProcess/glib/WebProcessPoolGLib.cpp
+++ b/Source/WebKit/UIProcess/glib/WebProcessPoolGLib.cpp
@@ -89,7 +89,7 @@
 #if PLATFORM(WAYLAND)
     if (WebCore::PlatformDisplay::sharedDisplay().type() == WebCore::PlatformDisplay::Type::Wayland) {
 #if USE(WPE_RENDERER)
-        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 = IPC::Attachment(UnixFileDescriptor(wpe_renderer_host_create_client(), UnixFileDescriptor::Adopt));
             parameters.implementationLibraryName = FileSystem::fileSystemRepresentation(String::fromLatin1(wpe_loader_get_loaded_implementation_library_name()));