diff --git a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/collectors/components/DeclarationCheckersDiagnosticComponent.kt b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/collectors/components/DeclarationCheckersDiagnosticComponent.kt
index 6d093e31daa..0d7d9a5e04b 100644
--- a/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/collectors/components/DeclarationCheckersDiagnosticComponent.kt
+++ b/compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/collectors/components/DeclarationCheckersDiagnosticComponent.kt
@@ -72,8 +72,9 @@ class DeclarationCheckersDiagnosticComponent(
         reporter: DiagnosticReporter
     ) {
         for (checker in this) {
-            if (!checker.isExtended || checkExtended)
+            if (!checker.isExtended || checkExtended) {
                 checker.check(declaration, context, reporter)
+            }
         }
     }
 }
\ No newline at end of file