diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegenUtil.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegenUtil.java
index c115d3c39b9..4532fbec70b 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegenUtil.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/inline/InlineCodegenUtil.java
@@ -117,7 +117,7 @@ public class InlineCodegenUtil {
             }
         }, ClassReader.SKIP_FRAMES | (GENERATE_SMAP ? 0 : ClassReader.SKIP_DEBUG));
 
-        SMAP smap = SMAPParser.parseOrCreateDefault(debugInfo[1], debugInfo[0], classId.toString(), lines[0], lines[1]);
+        SMAP smap = SMAPParser.parseOrCreateDefault(debugInfo[1], debugInfo[0], classId.asString(), lines[0], lines[1]);
         return new SMAPAndMethodNode(node[0], smap);
     }
 
diff --git a/compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.1.kt b/compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.1.kt
new file mode 100644
index 00000000000..b63ae10a719
--- /dev/null
+++ b/compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.1.kt
@@ -0,0 +1,19 @@
+fun box(): String {
+    A().foo()
+
+    return "OK"
+}
+
+//SMAP
+//classFromDefaultPackage.1.kt
+//Kotlin
+//*S Kotlin
+//*F
+//+ 1 classFromDefaultPackage.1.kt
+//ClassFromDefaultPackage_1Kt
+//+ 2 classFromDefaultPackage.2.kt
+//A
+//*L
+//1#1,20:1
+//2#2:21
+//*E
diff --git a/compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.2.kt b/compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.2.kt
new file mode 100644
index 00000000000..9fe0bdf7cb9
--- /dev/null
+++ b/compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.2.kt
@@ -0,0 +1,3 @@
+class A {
+    inline fun foo() {}
+}
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxInlineCodegenTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxInlineCodegenTestGenerated.java
index ab200cec52a..afadd002a2d 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxInlineCodegenTestGenerated.java
@@ -1225,6 +1225,12 @@ public class BlackBoxInlineCodegenTestGenerated extends AbstractBlackBoxInlineCo
             doTestMultiFileWithInlineCheck(fileName);
         }
 
+        @TestMetadata("classFromDefaultPackage.1.kt")
+        public void testClassFromDefaultPackage() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.1.kt");
+            doTestMultiFileWithInlineCheck(fileName);
+        }
+
         @TestMetadata("oneFile.1.kt")
         public void testOneFile() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/smap/oneFile.1.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/CompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/CompileKotlinAgainstInlineKotlinTestGenerated.java
index 3e327b64420..b158178bc7f 100644
--- a/compiler/tests/org/jetbrains/kotlin/jvm/compiler/CompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/jvm/compiler/CompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -1225,6 +1225,12 @@ public class CompileKotlinAgainstInlineKotlinTestGenerated extends AbstractCompi
             doBoxTestWithInlineCheck(fileName);
         }
 
+        @TestMetadata("classFromDefaultPackage.1.kt")
+        public void testClassFromDefaultPackage() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/smap/classFromDefaultPackage.1.kt");
+            doBoxTestWithInlineCheck(fileName);
+        }
+
         @TestMetadata("oneFile.1.kt")
         public void testOneFile() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxInline/smap/oneFile.1.kt");