diff --git a/packages/imba/changelog.md b/packages/imba/changelog.md
index 21e8d6b23..85cdf8a45 100644
--- a/packages/imba/changelog.md
+++ b/packages/imba/changelog.md
@@ -56,6 +56,8 @@ class Something
 
 * Make `$dev$`, `$prod$` and `$debug$` env flags work with bundler
 
+* Make `@thenable` work for static methods
+
 ## 2.0.0-alpha.235
 
 * Call MyMixin.mixes(class) for every class that mixes in MyMixin (if mixes function is defined).
diff --git a/packages/imba/src/imba/decorators.imba b/packages/imba/src/imba/decorators.imba
index 4ffc1e134..aed989de0 100644
--- a/packages/imba/src/imba/decorators.imba
+++ b/packages/imba/src/imba/decorators.imba
@@ -47,6 +47,7 @@ export def @thenable target, key, desc
 
 		Object.defineProperty(target,'then',{
 			enumerable: no,
+			configurable: yes,
 			value: do(ok,err)
 				let that = this