diff --git a/core/src/main/java/org/teavm/backend/javascript/rendering/RuntimeRenderer.java b/core/src/main/java/org/teavm/backend/javascript/rendering/RuntimeRenderer.java
index 9d3fee864..1692275d1 100644
--- a/core/src/main/java/org/teavm/backend/javascript/rendering/RuntimeRenderer.java
+++ b/core/src/main/java/org/teavm/backend/javascript/rendering/RuntimeRenderer.java
@@ -37,6 +37,7 @@ import org.teavm.vm.RenderingException;
 public class RuntimeRenderer {
     private static final String STRING_CLASS = String.class.getName();
     private static final String THREAD_CLASS = Thread.class.getName();
+    private static final String STE_CLASS = StackTraceElement.class.getName();
 
     private static final MethodReference NPE_INIT_METHOD = new MethodReference(NullPointerException.class,
             "<init>", void.class);
@@ -68,6 +69,7 @@ public class RuntimeRenderer {
             renderRuntimeString();
             renderRuntimeUnwrapString();
             renderRuntimeObjcls();
+            renderRuntimeThrowablecls();
             renderRuntimeNullCheck();
             renderRuntimeIntern();
             renderRuntimeThreads();
@@ -190,6 +192,17 @@ public class RuntimeRenderer {
         writer.append("function $rt_objcls() { return ").appendClass("java.lang.Object").append("; }").newLine();
     }
 
+    private void renderRuntimeThrowablecls() throws IOException {
+        writer.append("function $rt_stecls()").ws().append("{").indent().softNewLine();
+        writer.append("return ");
+        if (classSource.get(STE_CLASS) != null) {
+            writer.appendClass(STE_CLASS);
+        } else {
+            writer.appendClass("java.lang.Object");
+        }
+        writer.append(";").softNewLine().outdent().append("}").newLine();
+    }
+
     private void renderRuntimeThreads() throws IOException {
         ClassReader threadCls = classSource.get(THREAD_CLASS);
         MethodReader currentThreadMethod = threadCls != null ? threadCls.getMethod(CURRENT_THREAD_METHOD) : null;
diff --git a/core/src/main/resources/org/teavm/backend/javascript/runtime.js b/core/src/main/resources/org/teavm/backend/javascript/runtime.js
index a9ebb2443..eac6e1c74 100644
--- a/core/src/main/resources/org/teavm/backend/javascript/runtime.js
+++ b/core/src/main/resources/org/teavm/backend/javascript/runtime.js
@@ -297,7 +297,7 @@ function $rt_exception(ex) {
 function $rt_fillStack(err, ex) {
     if (typeof $rt_decodeStack === "function" && err.stack) {
         var stack = $rt_decodeStack(err.stack);
-        var javaStack = $rt_createArray($rt_objcls(), stack.length);
+        var javaStack = $rt_createArray($rt_stecls(), stack.length);
         var elem;
         var noStack = false;
         for (var i = 0; i < stack.length; ++i) {