diff --git a/compiler/tests-common/org/jetbrains/kotlin/integration/AbstractAntTaskTest.java b/compiler/tests-common/org/jetbrains/kotlin/integration/AbstractAntTaskTest.java
index 9cd7235591a..2e3277bb8c7 100644
--- a/compiler/tests-common/org/jetbrains/kotlin/integration/AbstractAntTaskTest.java
+++ b/compiler/tests-common/org/jetbrains/kotlin/integration/AbstractAntTaskTest.java
@@ -28,6 +28,7 @@ public abstract class AbstractAntTaskTest extends KotlinIntegrationTestBase {
         runJava(
                 testDataDir,
                 "build.log",
+                "-Xmx128m",
                 "-jar", getAntHome() + File.separator + "lib" + File.separator + "ant-launcher.jar",
                 "-Dkotlin.lib=" + KotlinIntegrationTestBase.getCompilerLib(),
                 "-Dkotlin.runtime.jar=" + ForTestCompileRuntime.runtimeJarForTests().getAbsolutePath(),