diff --git a/jps/jps-plugin/test/org/jetbrains/jet/jps/build/AbstractIncrementalJpsTest.kt b/jps/jps-plugin/test/org/jetbrains/jet/jps/build/AbstractIncrementalJpsTest.kt
index 4e6509593b8..ca1063ee4cc 100644
--- a/jps/jps-plugin/test/org/jetbrains/jet/jps/build/AbstractIncrementalJpsTest.kt
+++ b/jps/jps-plugin/test/org/jetbrains/jet/jps/build/AbstractIncrementalJpsTest.kt
@@ -33,6 +33,7 @@ import kotlin.test.fail
 import java.util.HashMap
 import org.jetbrains.jet.utils.keysToMap
 import org.jetbrains.jps.incremental.messages.BuildMessage
+import java.util.regex.Pattern
 
 public abstract class AbstractIncrementalJpsTest : JpsBuildTestCase() {
     private var testDataDir: File by Delegates.notNull()
@@ -239,19 +240,21 @@ public abstract class AbstractIncrementalJpsTest : JpsBuildTestCase() {
         override fun isEnabled(): Boolean = true
 
         override fun logLine(message: String?) {
-
             fun String.replaceHashWithStar(): String {
-                if (this contains "Package$") {
-                    val lastDollar = this.lastIndexOf('$')
-                    if (lastDollar != -1 && substring(lastDollar + 1).matches("[0-9a-f]{1,8}\\.class")) {
-                        return substring(0, lastDollar) + "$*.class"
-                    }
+                val matcher = STRIP_PACKAGE_PART_HASH_PATTERN.matcher(this)
+                if (matcher.find()) {
+                    return matcher.replaceAll("\\$*")
                 }
                 return this
             }
 
             logBuf.append(message!!.trimLeading(rootPath + "/").replaceHashWithStar()).append('\n')
         }
+
+        class object {
+            // We suspect sequences of several consecutive hexadecimal digits to be a package part hash code
+            val STRIP_PACKAGE_PART_HASH_PATTERN = Pattern.compile("\\$([0-9a-f]{5,8})")
+        }
     }
 
     private abstract class Modification(val path: String) {
diff --git a/jps/jps-plugin/testData/incremental/pureKotlin/subpackage/build.log b/jps/jps-plugin/testData/incremental/pureKotlin/subpackage/build.log
index ca0056732d4..d6788707583 100644
--- a/jps/jps-plugin/testData/incremental/pureKotlin/subpackage/build.log
+++ b/jps/jps-plugin/testData/incremental/pureKotlin/subpackage/build.log
@@ -1,6 +1,6 @@
 Cleaning output files:
-out/production/module/outer/nested/NestedPackage$main$1.class
-out/production/module/outer/nested/NestedPackage-nested-*.class
+out/production/module/outer/nested/NestedPackage$nested$*$main$1.class
+out/production/module/outer/nested/NestedPackage$nested$*.class
 out/production/module/outer/nested/NestedPackage.class
 End of files
 Compiling files: