diff --git a/lib/plausible_web/templates/billing/change_enterprise_plan.html.eex b/lib/plausible_web/templates/billing/change_enterprise_plan.html.eex
index e0f301816..3c1e452c7 100644
--- a/lib/plausible_web/templates/billing/change_enterprise_plan.html.eex
+++ b/lib/plausible_web/templates/billing/change_enterprise_plan.html.eex
@@ -62,7 +62,7 @@
 </div>
 
 <div class="mt-8 text-center dark:text-gray-100">
-  Questions? Contact <%= link("support@plausible.io", to: "mailto: support@plausible.io", class: "text-indigo-500") %>
+  Questions? Contact <%= link("support@plausible.io", to: "mailto:support@plausible.io", class: "text-indigo-500") %>
 </div>
 
 <%= render("_paddle_script.html") %>
diff --git a/lib/plausible_web/templates/billing/change_plan.html.eex b/lib/plausible_web/templates/billing/change_plan.html.eex
index 67e7cb797..584bdc97f 100644
--- a/lib/plausible_web/templates/billing/change_plan.html.eex
+++ b/lib/plausible_web/templates/billing/change_plan.html.eex
@@ -116,7 +116,7 @@
 </div>
 
 <div class="mt-8 text-center dark:text-gray-100">
-  Questions? Contact <%= link("support@plausible.io", to: "mailto: support@plausible.io", class: "text-indigo-500") %>
+  Questions? Contact <%= link("support@plausible.io", to: "mailto:support@plausible.io", class: "text-indigo-500") %>
 </div>
 
 <%= render("_paddle_script.html") %>
diff --git a/lib/plausible_web/templates/billing/change_plan_preview.html.eex b/lib/plausible_web/templates/billing/change_plan_preview.html.eex
index 0835a0c5e..3480a12da 100644
--- a/lib/plausible_web/templates/billing/change_plan_preview.html.eex
+++ b/lib/plausible_web/templates/billing/change_plan_preview.html.eex
@@ -78,7 +78,7 @@
 </div>
 
 <div class="text-center mt-8 dark:text-gray-100">
-  Questions? Contact <%= link("support@plausible.io", to: "mailto: support@plausible.io", class: "text-indigo-500") %>
+  Questions? Contact <%= link("support@plausible.io", to: "mailto:support@plausible.io", class: "text-indigo-500") %>
 </div>
 
 <%= render("_paddle_script.html") %>
diff --git a/lib/plausible_web/templates/billing/upgrade.html.eex b/lib/plausible_web/templates/billing/upgrade.html.eex
index e4f3b3248..c594c2ba3 100644
--- a/lib/plausible_web/templates/billing/upgrade.html.eex
+++ b/lib/plausible_web/templates/billing/upgrade.html.eex
@@ -122,7 +122,7 @@
 </div>
 
 <div class="mt-8 text-center dark:text-gray-100">
-  Questions? Contact <%= link("support@plausible.io", to: "mailto: support@plausible.io", class: "text-indigo-500") %>
+  Questions? Contact <%= link("support@plausible.io", to: "mailto:support@plausible.io", class: "text-indigo-500") %>
 </div>
 
 <%= render("_paddle_script.html") %>
diff --git a/lib/plausible_web/templates/billing/upgrade_enterprise_plan.html.eex b/lib/plausible_web/templates/billing/upgrade_enterprise_plan.html.eex
index a888b63dd..3604ce423 100644
--- a/lib/plausible_web/templates/billing/upgrade_enterprise_plan.html.eex
+++ b/lib/plausible_web/templates/billing/upgrade_enterprise_plan.html.eex
@@ -37,7 +37,7 @@
 </div>
 
 <div class="mt-8 text-center dark:text-gray-100">
-  Questions? Contact <%= link("support@plausible.io", to: "mailto: support@plausible.io", class: "text-indigo-500") %>
+  Questions? Contact <%= link("support@plausible.io", to: "mailto:support@plausible.io", class: "text-indigo-500") %>
 </div>
 
 <%= render("_paddle_script.html") %>
diff --git a/lib/plausible_web/templates/billing/upgrade_to_plan.html.eex b/lib/plausible_web/templates/billing/upgrade_to_plan.html.eex
index 33e6ab529..65f6bfdbe 100644
--- a/lib/plausible_web/templates/billing/upgrade_to_plan.html.eex
+++ b/lib/plausible_web/templates/billing/upgrade_to_plan.html.eex
@@ -37,7 +37,7 @@
 </div>
 
 <div class="mt-8 text-center dark:text-gray-100">
-  Questions? Contact <%= link("support@plausible.io", to: "mailto: support@plausible.io", class: "text-indigo-500") %>
+  Questions? Contact <%= link("support@plausible.io", to: "mailto:support@plausible.io", class: "text-indigo-500") %>
 </div>
 
 <%= render("_paddle_script.html") %>
\ No newline at end of file