diff --git a/lib/fasterer/scanners/method_call_scanner.rb b/lib/fasterer/scanners/method_call_scanner.rb
index f9bc57c..52f3bf0 100644
--- a/lib/fasterer/scanners/method_call_scanner.rb
+++ b/lib/fasterer/scanners/method_call_scanner.rb
@@ -132,7 +132,7 @@ def check_symbol_to_proc
       return unless body_method_call.arguments.count.zero?
       return if body_method_call.has_block?
       return if body_method_call.receiver.nil?
-      return unless body_method_call.receiver.name == method_call.block_argument_names.first
+      return if body_method_call.receiver.name != method_call.block_argument_names.first
 
       add_offense(:block_vs_symbol_to_proc)
     end