diff --git a/cmake/tools/SetupWebKit.cmake b/cmake/tools/SetupWebKit.cmake
index 6e2ce7d677..545f82dd68 100644
--- a/cmake/tools/SetupWebKit.cmake
+++ b/cmake/tools/SetupWebKit.cmake
@@ -90,7 +90,14 @@ if(EXISTS ${WEBKIT_PATH}/package.json)
   endif()
 endif()
 
-file(DOWNLOAD ${WEBKIT_DOWNLOAD_URL} ${CACHE_PATH}/${WEBKIT_FILENAME} SHOW_PROGRESS)
+file(
+  DOWNLOAD ${WEBKIT_DOWNLOAD_URL} ${CACHE_PATH}/${WEBKIT_FILENAME} SHOW_PROGRESS
+  STATUS WEBKIT_DOWNLOAD_STATUS
+)
+if(NOT "${WEBKIT_DOWNLOAD_STATUS}" MATCHES "^0;")
+  message(FATAL_ERROR "Failed to download WebKit: ${WEBKIT_DOWNLOAD_STATUS}")
+endif()
+
 file(ARCHIVE_EXTRACT INPUT ${CACHE_PATH}/${WEBKIT_FILENAME} DESTINATION ${CACHE_PATH} TOUCH)
 file(REMOVE ${CACHE_PATH}/${WEBKIT_FILENAME})
 file(REMOVE_RECURSE ${WEBKIT_PATH})