diff --git a/js/js.libraries/src/core/math.kt b/js/js.libraries/src/core/math.kt
index 3566b782aa6..a652c247ed9 100644
--- a/js/js.libraries/src/core/math.kt
+++ b/js/js.libraries/src/core/math.kt
@@ -22,9 +22,9 @@ class MathClass() {
     fun tan(value : Double) = 0.0
     fun log(value : Double) = 0.0
     fun pow(base : Double, exp : Double) = 0.0
-    fun round(value : Double) = 0.0
-    fun floor(value : Double) = 0.0
-    fun ceil(value : Double) = 0.0
+    fun round(value : Number) = 0
+    fun floor(value : Number) = 0
+    fun ceil(value : Number) = 0
 
 }
 
diff --git a/js/js.libraries/src/jquery/ui.kt b/js/js.libraries/src/jquery/ui.kt
index 90a9eee8f9e..2147cc31a4c 100644
--- a/js/js.libraries/src/jquery/ui.kt
+++ b/js/js.libraries/src/jquery/ui.kt
@@ -15,6 +15,8 @@ fun JQuery.dialog(params : Json) : JQuery = js.noImpl
 native
 fun JQuery.dialog(mode : String, param : String) : Any? = js.noImpl
 native
+fun JQuery.dialog(mode : String) : JQuery = js.noImpl
+native
 fun JQuery.dialog(mode : String, param : String, value : Any?) : JQuery = js.noImpl
 native
 fun JQuery.button() : JQuery = js.noImpl;