diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt
index c8380e3c6f2..c677df424f9 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt
@@ -111,11 +111,18 @@ class MethodSignatureMapper(private val context: JvmBackendContext) {
             return newName
         }
 
-        return if (function !is IrConstructor && function.visibility == Visibilities.INTERNAL && !function.isPublishedApi()) {
+        return if (function.shouldMangleAsInternal())
             KotlinTypeMapper.InternalNameMapper.mangleInternalName(newName, getModuleName(function))
-        } else newName
+        else
+            newName
     }
 
+    private fun IrFunction.shouldMangleAsInternal() =
+        this !is IrConstructor &&
+                origin != JvmLoweredDeclarationOrigin.STATIC_INLINE_CLASS_CONSTRUCTOR &&
+                visibility == Visibilities.INTERNAL &&
+                !isPublishedApi()
+
     private fun getModuleName(function: IrFunction): String =
         (if (function is IrLazyFunctionBase)
             getJvmModuleNameForDeserialized(function)