diff --git a/Source/WebKit/PlatformGTK.cmake b/Source/WebKit/PlatformGTK.cmake
index 6b1211d0a13f..148272069c3b 100644
--- a/Source/WebKit/PlatformGTK.cmake
+++ b/Source/WebKit/PlatformGTK.cmake
@@ -52,13 +52,16 @@ list(APPEND WebKit_UNIFIED_SOURCE_LIST_FILES
 
 list(APPEND WebKit_MESSAGES_IN_FILES
     UIProcess/ViewGestureController
-
-    UIProcess/gtk/AcceleratedBackingStoreDMABuf
-
     WebProcess/gtk/GtkSettingsManagerProxy
     WebProcess/WebPage/ViewGestureGeometryCollector
 )
 
+if (USE_LIBGBM)
+    list(APPEND WebKit_MESSAGES_IN_FILES
+        UIProcess/gtk/AcceleratedBackingStoreDMABuf
+    )
+endif ()
+
 list(APPEND WebKit_DERIVED_SOURCES
     ${WebKitGTK_DERIVED_SOURCES_DIR}/InspectorGResourceBundle.c
     ${WebKitGTK_DERIVED_SOURCES_DIR}/WebKitDirectoryInputStreamData.cpp