diff --git a/src/main/java/org/hyperskill/hstest/testing/execution/process/CppExecutor.java b/src/main/java/org/hyperskill/hstest/testing/execution/process/CppExecutor.java
index d67b12e..ab4d87e 100644
--- a/src/main/java/org/hyperskill/hstest/testing/execution/process/CppExecutor.java
+++ b/src/main/java/org/hyperskill/hstest/testing/execution/process/CppExecutor.java
@@ -42,7 +42,7 @@ public CppExecutor(String sourceName) {
 
     @Override
     protected List<String> compilationCommand() {
-        return List.of("g++", "-std=c++20", "-pipe", "-O2", "-static", "-o", filename, runnable.getFile().getName());
+        return List.of("g++", "-pipe", "-O2", "-static", "-o", filename, runnable.getFile().getName());
     }
 
     @Override