diff --git a/test/phpunit/DateLibTest.php b/test/phpunit/DateLibTest.php
index eb3fa40f98d..470b74df861 100644
--- a/test/phpunit/DateLibTest.php
+++ b/test/phpunit/DateLibTest.php
@@ -258,7 +258,7 @@ class DateLibTest extends PHPUnit_Framework_TestCase
     	// Check %a and %b format for en_US
     	$result=dol_print_date(0,'%a %b',true,$outputlangs);
     	print __METHOD__." result=".$result."\n";
-    	$this->assertEquals('Thu jan',$result);
+    	$this->assertEquals('Thu Jan',$result);
 
     	return $result;
     }
diff --git a/test/phpunit/DateLibTzFranceTest.php b/test/phpunit/DateLibTzFranceTest.php
index 889c6be3c3c..17db4e3e164 100644
--- a/test/phpunit/DateLibTzFranceTest.php
+++ b/test/phpunit/DateLibTzFranceTest.php
@@ -193,7 +193,7 @@ class DateLibTzFranceTest extends PHPUnit_Framework_TestCase
     	// Check %a and %b format for en_US
     	$result=dol_print_date(0,'%a %b',false,$outputlangs);
     	print __METHOD__." result=".$result."\n";
-    	$this->assertEquals('Thu jan',$result);
+    	$this->assertEquals('Thu Jan',$result);
 
     	return $result;
     }