diff --git a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java
index 54e5674e9..6b57bee00 100644
--- a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java
+++ b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java
@@ -110,7 +110,7 @@ public interface HTMLElement extends Element, ElementCSSInlineStyle, EventTarget
     HTMLDocument getOwnerDocument();
 
     @JSProperty
-    int getInnerHTML();
+    String getInnerHTML();
 
     @JSProperty
     void setInnerHTML(String content);