diff --git a/ext/standard/tests/file/fscanf_variation33.phpt b/ext/standard/tests/file/fscanf_variation33.phpt
index 2f0afd0b329..6c788b13f73 100644
--- a/ext/standard/tests/file/fscanf_variation33.phpt
+++ b/ext/standard/tests/file/fscanf_variation33.phpt
@@ -1,5 +1,11 @@
 --TEST--
 Test fscanf() function: usage variations - hexa formats with integer values 
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+	die("skip this test is for 32bit platform only");
+}
+?>
 --FILE--
 <?php
 
diff --git a/ext/standard/tests/file/fscanf_variation34.phpt b/ext/standard/tests/file/fscanf_variation34.phpt
index 8a17bc26bce..b3f9c72f07b 100644
--- a/ext/standard/tests/file/fscanf_variation34.phpt
+++ b/ext/standard/tests/file/fscanf_variation34.phpt
@@ -1,5 +1,11 @@
 --TEST--
 Test fscanf() function: usage variations - hexa formats with float values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+	die("skip this test is for 32bit platform only");
+}
+?>
 --FILE--
 <?php
 
diff --git a/ext/standard/tests/file/fscanf_variation40.phpt b/ext/standard/tests/file/fscanf_variation40.phpt
index 31cfbfe4424..5d8770166aa 100644
--- a/ext/standard/tests/file/fscanf_variation40.phpt
+++ b/ext/standard/tests/file/fscanf_variation40.phpt
@@ -1,5 +1,11 @@
 --TEST--
 Test fscanf() function: usage variations - unsigned formats with float values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+	die("skip this test is for 32bit platform only");
+}
+?>
 --FILE--
 <?php
 
diff --git a/ext/standard/tests/file/fscanf_variation9.phpt b/ext/standard/tests/file/fscanf_variation9.phpt
index 1a193d32384..6cea00aad82 100644
--- a/ext/standard/tests/file/fscanf_variation9.phpt
+++ b/ext/standard/tests/file/fscanf_variation9.phpt
@@ -1,5 +1,11 @@
 --TEST--
 Test fscanf() function: usage variations - float formats with integer values
+--SKIPIF--
+<?php
+if (PHP_INT_SIZE != 4) {
+	die("skip this test is for 32bit platform only");
+}
+?>
 --FILE--
 <?php