diff --git a/ext/curl/tests/bug48203_multi.phpt b/ext/curl/tests/bug48203_multi.phpt
index ed58f8540d9ef..ec9748517ab85 100644
--- a/ext/curl/tests/bug48203_multi.phpt
+++ b/ext/curl/tests/bug48203_multi.phpt
@@ -4,8 +4,9 @@ Variation of bug #48203 with curl_multi_exec (Crash when file pointers passed to
 curl
 --SKIPIF--
 <?php
-if (getenv("GITHUB_ACTIONS") && PHP_OS_FAMILY === "Darwin" && php_uname("m") === "x86_64") {
-    die("xfail Test fails for unknown reasons");
+if (curl_version()['version_number'] === 0x080a00) {
+    // https://github.com/php/php-src/issues/15997
+    die('xfail due to a libcurl bug');
 }
 ?>
 --FILE--
diff --git a/ext/curl/tests/bug71523.phpt b/ext/curl/tests/bug71523.phpt
index fa32ecdccd596..2cf2477409dae 100644
--- a/ext/curl/tests/bug71523.phpt
+++ b/ext/curl/tests/bug71523.phpt
@@ -4,8 +4,9 @@ Bug #71523 (Copied handle with new option CURLOPT_HTTPHEADER crashes while curl_
 curl
 --SKIPIF--
 <?php
-if (getenv("GITHUB_ACTIONS") && PHP_OS_FAMILY === "Darwin" && php_uname("m") === "x86_64") {
-    die("xfail Test fails for unknown reasons");
+if (curl_version()['version_number'] === 0x080a00) {
+    // https://github.com/php/php-src/issues/15997
+    die('xfail due to a libcurl bug');
 }
 ?>
 --FILE--
diff --git a/ext/curl/tests/curl_basic_018.phpt b/ext/curl/tests/curl_basic_018.phpt
index 72778c82e9ad2..1c907a05fb092 100644
--- a/ext/curl/tests/curl_basic_018.phpt
+++ b/ext/curl/tests/curl_basic_018.phpt
@@ -6,8 +6,9 @@ TestFest 2009 - AFUP - Thomas Rabaix <thomas.rabaix@gmail.com>
 curl
 --SKIPIF--
 <?php
-if (getenv("GITHUB_ACTIONS") && PHP_OS_FAMILY === "Darwin" && php_uname("m") === "x86_64") {
-    die("xfail Test fails for unknown reasons");
+if (curl_version()['version_number'] === 0x080a00) {
+    // https://github.com/php/php-src/issues/15997
+    die('xfail due to a libcurl bug');
 }
 ?>
 --FILE--
diff --git a/ext/curl/tests/curl_multi_getcontent_basic3.phpt b/ext/curl/tests/curl_multi_getcontent_basic3.phpt
index 558440bfe20e5..79002a56430d2 100644
--- a/ext/curl/tests/curl_multi_getcontent_basic3.phpt
+++ b/ext/curl/tests/curl_multi_getcontent_basic3.phpt
@@ -7,8 +7,9 @@ Rein Velt (rein@velt.org)
 curl
 --SKIPIF--
 <?php
-if (getenv("GITHUB_ACTIONS") && PHP_OS_FAMILY === "Darwin" && php_uname("m") === "x86_64") {
-    die("xfail Test fails for unknown reasons");
+if (curl_version()['version_number'] === 0x080a00) {
+    // https://github.com/php/php-src/issues/15997
+    die('xfail due to a libcurl bug');
 }
 ?>
 --FILE--