diff --git a/test/unit/Platform/TargetPhp/PhpBinaryPathTest.php b/test/unit/Platform/TargetPhp/PhpBinaryPathTest.php
index 8aeb4d05..acd93e7f 100644
--- a/test/unit/Platform/TargetPhp/PhpBinaryPathTest.php
+++ b/test/unit/Platform/TargetPhp/PhpBinaryPathTest.php
@@ -135,6 +135,10 @@ public static function phpConfigPathProvider(): array
                 && is_executable($phpConfigPath[0]),
         );
 
+        if ($possiblePhpConfigPaths === []) {
+            return ['skip' => ['skip', 'skip']];
+        }
+
         return array_combine(
             array_column($possiblePhpConfigPaths, 0),
             $possiblePhpConfigPaths,
@@ -148,6 +152,10 @@ public function testFromPhpConfigExecutable(string $phpConfigPath, string $expec
             self::markTestSkipped('Do not need to test php-config on Windows as we are not building on Windows.');
         }
 
+        if ($expectedMajorMinor === 'skip') {
+            self::markTestSkipped('No known system php-config could be found.');
+        }
+
         assert($phpConfigPath !== '');
         $phpBinary = PhpBinaryPath::fromPhpConfigExecutable($phpConfigPath);