diff --git a/core/modules/page_cache/src/StackMiddleware/PageCache.php b/core/modules/page_cache/src/StackMiddleware/PageCache.php
index 44bec67..f7d3725 100644
--- a/core/modules/page_cache/src/StackMiddleware/PageCache.php
+++ b/core/modules/page_cache/src/StackMiddleware/PageCache.php
@@ -324,8 +324,8 @@ protected function getCacheId(Request $request) {
    */
   public function earlyLookup(Request $request, SessionConfigurationInterface $session_configuration) {
     // Hardcode two request policies:
-    // - command line
-    if (PHP_SAPI === 'cli') {
+    // - command line or unsafe method
+    if (PHP_SAPI === 'cli' || !$request->isMethodSafe()) {
       return;
     }