diff --git a/docs/setup_core_portal.md b/docs/setup_core_portal.md
index f44949737..bd1dc80e4 100644
--- a/docs/setup_core_portal.md
+++ b/docs/setup_core_portal.md
@@ -99,7 +99,7 @@ With the following contents:
 [Desktop Entry]
 Type=Application
 Terminal=false
-Exec=bash -c 'xdg-open http://localhost:3000/auth?authRequest=$(echo "%u" | sed s,blockstack:/*,,)'
+Exec=bash -c 'xdg-open http://localhost:3000/auth?authRequest=$(echo "%u" | sed s,blockstack:////*,,)'
 Name=Blockstack-Browser
 MimeType=x-scheme-handler/blockstack;
 ```
diff --git a/images/scripts/ubuntu-17.04.sh b/images/scripts/ubuntu-17.04.sh
index a5a13642e..043b0aef8 100644
--- a/images/scripts/ubuntu-17.04.sh
+++ b/images/scripts/ubuntu-17.04.sh
@@ -139,7 +139,7 @@ echo
 echo "[Desktop Entry]"
 echo "Type=Application"
 echo "Terminal=false"
-echo "Exec=bash -c 'xdg-open http://localhost:3000/auth?authRequest=\$(echo \"%u\" | sed s,blockstack:/*,,)'"
+echo "Exec=bash -c 'xdg-open http://localhost:3000/auth?authRequest=\$(echo \"%u\" | sed s,blockstack:////*,,)'"
 echo "Name=Blockstack-Browser"
 echo "MimeType=x-scheme-handler/blockstack;"
 echo