diff --git a/debian/changelog b/debian/changelog
index 3a238b3098d071ff98ce2871fee18dc166a7b696..b3745cbe96b0cb0337e87c738a4dd12a6a159443 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+golang-golang-x-oauth2 (0.0~git20161103.0.36bc617-4) UNRELEASED; urgency=medium
+
+  * debian/control: Add Breaks field to avoid collisions with pre-split
+    package. Closes: #844435.
+
+ -- Martín Ferrari <tincho@debian.org>  Tue, 15 Nov 2016 19:20:19 +0100
+
 golang-golang-x-oauth2 (0.0~git20161103.0.36bc617-3) unstable; urgency=medium
 
   * Use legacy import paths for Google stuff.
diff --git a/debian/control b/debian/control
index 0474c39713f93820280f90ac93a527f6fc0e1da2..48bd428787081c866163c14081f6a11d4fbff1af 100644
--- a/debian/control
+++ b/debian/control
@@ -32,6 +32,7 @@ Depends: ${misc:Depends},
          golang-golang-x-oauth2-dev (= ${source:Version}),
          golang-google-appengine-dev,
          golang-google-cloud-compute-metadata-dev (>= 0.0~git20160615-5~),
+Breaks: golang-golang-x-oauth2-dev (<= 0.0~git20161103.0.36bc617-2)
 Built-Using: ${misc:Built-Using}
 Description: Google APIs support for OAuth2
  Package oauth2/google provides support for making OAuth2 authorized and