diff --git a/scripts/bytecodecompare/prepare_report.js b/scripts/bytecodecompare/prepare_report.js
index 99f3a4b4b..1d1b04060 100755
--- a/scripts/bytecodecompare/prepare_report.js
+++ b/scripts/bytecodecompare/prepare_report.js
@@ -30,15 +30,15 @@ for (const optimize of [false, true])
                 Object.keys(result['contracts']).every(file => Object.keys(result['contracts'][file]).length === 0)
             )
                 // NOTE: do not exit here because this may be run on source which cannot be compiled
-                console.log(filename + ': ERROR')
+                console.log(filename + ': <ERROR>')
             else
                 for (const contractFile in result['contracts'])
                     for (const contractName in result['contracts'][contractFile])
                     {
                         const contractResults = result['contracts'][contractFile][contractName]
 
-                        let bytecode = 'NO BYTECODE'
-                        let metadata = 'NO METADATA'
+                        let bytecode = '<NO BYTECODE>'
+                        let metadata = '<NO METADATA>'
 
                         if ('evm' in contractResults && 'bytecode' in contractResults['evm'] && 'object' in contractResults['evm']['bytecode'])
                             bytecode = contractResults.evm.bytecode.object
diff --git a/scripts/bytecodecompare/prepare_report.py b/scripts/bytecodecompare/prepare_report.py
index 19d5b374e..5d73cd4ea 100755
--- a/scripts/bytecodecompare/prepare_report.py
+++ b/scripts/bytecodecompare/prepare_report.py
@@ -35,12 +35,12 @@ for optimize in [False, True]:
             len(result['contracts']) == 0 or
             all(len(file_results) == 0 for file_name, file_results in result['contracts'].items())
         ):
-            REPORT_FILE.write(f + ": ERROR\n")
+            REPORT_FILE.write(f + ": <ERROR>\n")
         else:
             for filename in sorted(result['contracts'].keys()):
                 for contractName in sorted(result['contracts'][filename].keys()):
-                    bytecode = result['contracts'][filename][contractName].get('evm', {}).get('bytecode', {}).get('object', 'NO BYTECODE')
-                    metadata = result['contracts'][filename][contractName].get('metadata', 'NO METADATA')
+                    bytecode = result['contracts'][filename][contractName].get('evm', {}).get('bytecode', {}).get('object', '<NO BYTECODE>')
+                    metadata = result['contracts'][filename][contractName].get('metadata', '<NO METADATA>')
 
                     REPORT_FILE.write(filename + ':' + contractName + ' ' + bytecode + '\n')
                     REPORT_FILE.write(filename + ':' + contractName + ' ' + metadata + '\n')