diff --git a/tests/php/Core/MemoryLimitTest.php b/tests/php/Core/MemoryLimitTest.php
index 7fda32dee..c63ba1895 100644
--- a/tests/php/Core/MemoryLimitTest.php
+++ b/tests/php/Core/MemoryLimitTest.php
@@ -44,28 +44,29 @@ class MemoryLimitTest extends SapphireTest
     {
         // ini_set('memory_limit', '64M');
         // current memory usage in travis is 197M, can't ini_set this down to 64M
+        // for recipe-kitchen-sink, it's 284M
         // Using a higher memory limit instead
-        ini_set('memory_limit', '230M');
-        Environment::setMemoryLimitMax('256M');
+        ini_set('memory_limit', '330M');
+        Environment::setMemoryLimitMax('512M');
 
         // It can go up
-        Environment::increaseMemoryLimitTo('240M');
-        $this->assertEquals('240M', ini_get('memory_limit'));
+        Environment::increaseMemoryLimitTo('340M');
+        $this->assertEquals('340M', ini_get('memory_limit'));
 
         // But not down
-        Environment::increaseMemoryLimitTo('220M');
-        $this->assertEquals('240M', ini_get('memory_limit'));
+        Environment::increaseMemoryLimitTo('320M');
+        $this->assertEquals('340M', ini_get('memory_limit'));
 
         // Test the different kinds of syntaxes
-        Environment::increaseMemoryLimitTo(1024*1024*250);
-        $this->assertEquals('250M', ini_get('memory_limit'));
+        Environment::increaseMemoryLimitTo(1024*1024*350);
+        $this->assertEquals('350M', ini_get('memory_limit'));
 
         Environment::increaseMemoryLimitTo('109600K');
-        $this->assertEquals('250M', ini_get('memory_limit'));
+        $this->assertEquals('350M', ini_get('memory_limit'));
 
         // Attempting to increase past max size only sets to max
         Environment::increaseMemoryLimitTo('1G');
-        $this->assertEquals('256M', ini_get('memory_limit'));
+        $this->assertEquals('512M', ini_get('memory_limit'));
 
         // No argument means unlimited (but only if originally allowed)
         if (is_numeric($this->origMemLimitMax) && $this->origMemLimitMax < 0) {
diff --git a/tests/php/Logging/DetailedErrorFormatterTest.php b/tests/php/Logging/DetailedErrorFormatterTest.php
index 21b34a735..fb36b91d1 100644
--- a/tests/php/Logging/DetailedErrorFormatterTest.php
+++ b/tests/php/Logging/DetailedErrorFormatterTest.php
@@ -23,7 +23,7 @@ class DetailedErrorFormatterTest extends SapphireTest
         $this->assertStringContainsString("Line 32 in $base/DetailedErrorFormatterTest/ErrorGenerator.php", $output);
         $this->assertStringContainsString('* 32:                  throw new Exception(\'Error\');', $output);
         $this->assertStringContainsString(
-            'SilverStripe\\Logging\\Tests\\DetailedErrorFormatterTest\\ErrorGenerator->mockException(4)',
+            'SilverStripe\\Logging\\Tests\\DetailedErrorFormatterTest\\ErrorGenerator->mockException',
             $output
         );
     }