diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index bf7b811178..601f631731 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -43,6 +43,7 @@ Changelog
  * Fix: REM units in Wagtailuserbar caused incorrect spacing (Vincent Audebert)
  * Fix: Explorer menu no longer scrolls with page content (Vincent Audebert)
  * Fix: `decorate_urlpatterns` now uses `functools.update_wrapper` to keep view names and docstrings (Mario César)
+ * Fix: StreamField block controls are no longer hidden by the StreamField menu when prepending a new block (Vincent Audebert)
 
 
 1.4.4 (xx.xx.2016)
diff --git a/docs/releases/1.5.rst b/docs/releases/1.5.rst
index 01a5324c73..60a0692223 100644
--- a/docs/releases/1.5.rst
+++ b/docs/releases/1.5.rst
@@ -81,6 +81,7 @@ Bug fixes
  * REM units in Wagtailuserbar caused incorrect spacing (Vincent Audebert)
  * Explorer menu no longer scrolls with page content (Vincent Audebert)
  * ``decorate_urlpatterns`` now uses ``functools.update_wrapper`` to keep view names and docstrings (Mario César)
+ * StreamField block controls are no longer hidden by the StreamField menu when prepending a new block (Vincent Audebert)
 
 
 Upgrade considerations
diff --git a/wagtail/wagtailadmin/static_src/wagtailadmin/scss/components/_streamfield.scss b/wagtail/wagtailadmin/static_src/wagtailadmin/scss/components/_streamfield.scss
index 6a98e11205..9bd769e315 100644
--- a/wagtail/wagtailadmin/static_src/wagtailadmin/scss/components/_streamfield.scss
+++ b/wagtail/wagtailadmin/static_src/wagtailadmin/scss/components/_streamfield.scss
@@ -215,7 +215,6 @@ li.sequence-member {
     position: relative;
     background-color: $color-grey-1;
     opacity: 1;
-    z-index: 5;
 
     .toggle {
         @include transition(color 0.2s ease);
@@ -230,7 +229,7 @@ li.sequence-member {
         width: 1em;
         height: 1em;
         display: block;
-        z-index: 5;
+        z-index: 1;
         color: $color-grey-1;
         background-color: $color-white;
         outline: none;