diff --git a/test/sequential/test-fs-readfile-tostring-fail.js b/test/sequential/test-fs-readfile-tostring-fail.js
index 62c855de86..c79e13daeb 100644
--- a/test/sequential/test-fs-readfile-tostring-fail.js
+++ b/test/sequential/test-fs-readfile-tostring-fail.js
@@ -8,7 +8,10 @@ if (!common.enoughTestMem)
 const assert = require('assert');
 const fs = require('fs');
 const path = require('path');
+const cp = require('child_process');
 const kStringMaxLength = process.binding('buffer').kStringMaxLength;
+if (common.isAIX && (Number(cp.execSync('ulimit -f')) * 512) < kStringMaxLength)
+  common.skip('intensive toString tests due to file size confinements');
 
 common.refreshTmpDir();