diff --git a/Changelog.md b/Changelog.md
index 672a0b6a6..966038fcb 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -17,6 +17,7 @@
 * Adjust 404 message description to not leak logged out users if a post exists or not [#4477](https://github.com/diaspora/diaspora/pull/4477)
 * Make I18n system more robust against missing keys in pluralization data
 * Prevent overflow of too long strings in the single post view [#4487](https://github.com/diaspora/diaspora/pull/4487)
+* Disable submit button in sign up form after submission to avoid email already exists error [#4506](https://github.com/diaspora/diaspora/issues/4506)
 
 ## Features
 * Add oEmbed content to the mobile view [#4343](https://github.com/diaspora/diaspora/pull/4353)