diff --git a/SymfonyCustom/Sniffs/Formatting/StrictComparisonSniff.php b/SymfonyCustom/Sniffs/Formatting/StrictComparisonSniff.php
index 46e90a8..aed93ed 100644
--- a/SymfonyCustom/Sniffs/Formatting/StrictComparisonSniff.php
+++ b/SymfonyCustom/Sniffs/Formatting/StrictComparisonSniff.php
@@ -6,7 +6,7 @@
 use PHP_CodeSniffer\Sniffs\Sniff;
 
 /**
- * Throws warning if == or != are use
+ * Throws error if == or != are use
  */
 class StrictComparisonSniff implements Sniff
 {
@@ -36,9 +36,9 @@ public function process(File $phpcsFile, $stackPtr): void
     {
         $tokens = $phpcsFile->getTokens();
 
-        // This warning is fixable, but it's too dangerous to add automatically fixer
-        $phpcsFile->addWarning(
-            'The %s comparator is not recommended, use %s instead',
+        // This error is fixable, but it's too dangerous to add automatically fixer
+        $phpcsFile->addError(
+            'The %s comparator is forbidden, use %s instead',
             $stackPtr,
             'NotStrict',
             [
diff --git a/SymfonyCustom/Tests/Formatting/StrictComparisonUnitTest.php b/SymfonyCustom/Tests/Formatting/StrictComparisonUnitTest.php
index ac89e2c..826b13b 100644
--- a/SymfonyCustom/Tests/Formatting/StrictComparisonUnitTest.php
+++ b/SymfonyCustom/Tests/Formatting/StrictComparisonUnitTest.php
@@ -16,7 +16,10 @@ class StrictComparisonUnitTest extends AbstractSniffUnitTest
      */
     protected function getErrorList(): array
     {
-        return [];
+        return [
+            3 => 1,
+            5 => 1,
+        ];
     }
 
     /**
@@ -24,9 +27,6 @@ protected function getErrorList(): array
      */
     protected function getWarningList(): array
     {
-        return [
-            3 => 1,
-            5 => 1,
-        ];
+        return [];
     }
 }
diff --git a/SymfonyCustom/ruleset.xml b/SymfonyCustom/ruleset.xml
index 84fe6b3..28c09ed 100755
--- a/SymfonyCustom/ruleset.xml
+++ b/SymfonyCustom/ruleset.xml
@@ -69,19 +69,23 @@
 
     <!-- Disallow -->
     <rule ref="Generic.Arrays.DisallowLongArraySyntax"/>
-    <rule ref="Generic.CodeAnalysis.AssignmentInCondition"/>
-    <rule ref="Generic.CodeAnalysis.EmptyPHPStatement"/>
+    <rule ref="Generic.CodeAnalysis.AssignmentInCondition">
+        <type>error</type>
+    </rule>
+    <rule ref="Generic.CodeAnalysis.EmptyPHPStatement">
+        <type>error</type>
+    </rule>
     <rule ref="Generic.CodeAnalysis.EmptyStatement"/>
-    <rule ref="Generic.CodeAnalysis.UselessOverridingMethod"/>
     <rule ref="Generic.PHP.BacktickOperator"/>
     <rule ref="Generic.PHP.DisallowShortOpenTag"/>
     <rule ref="Generic.PHP.ForbiddenFunctions"/>
     <rule ref="PEAR.Commenting.InlineComment"/>
-    <rule ref="Squiz.PHP.CommentedOutCode"/>
     <rule ref="Squiz.PHP.DisallowMultipleAssignments"/>
     <rule ref="Squiz.PHP.DiscouragedFunctions"/>
     <rule ref="Squiz.PHP.Eval"/>
-    <rule ref="Squiz.PHP.NonExecutableCode"/>
+    <rule ref="Squiz.PHP.NonExecutableCode">
+        <type>error</type>
+    </rule>
     <rule ref="Squiz.Operators.ValidLogicalOperators"/>
 
     <!-- Others -->