diff --git a/adapters/shared/vite/index.cjs b/adapters/shared/vite/index.cjs
index fb480f3..1d12ace 100644
--- a/adapters/shared/vite/index.cjs
+++ b/adapters/shared/vite/index.cjs
@@ -270,9 +270,12 @@ function viteAdapter(opts) {
             if (!ssgOrigin) {
               ssgOrigin = `https://yoursite.qwik.dev`;
             }
-            if (ssgOrigin.length > 0 && !ssgOrigin.startsWith("https://") && !ssgOrigin.startsWith("http://")) {
+            if (ssgOrigin.length > 0 && !/:\/\//.test(ssgOrigin)) {
               ssgOrigin = `https://${ssgOrigin}`;
             }
+            if (ssgOrigin.startsWith("//")) {
+              ssgOrigin = `https:${ssgOrigin}`;
+            }
             try {
               ssgOrigin = new URL(ssgOrigin).origin;
             } catch (e) {
diff --git a/adapters/shared/vite/index.mjs b/adapters/shared/vite/index.mjs
index b319849..b3b3440 100644
--- a/adapters/shared/vite/index.mjs
+++ b/adapters/shared/vite/index.mjs
@@ -231,9 +231,12 @@ function viteAdapter(opts) {
             if (!ssgOrigin) {
               ssgOrigin = `https://yoursite.qwik.dev`;
             }
-            if (ssgOrigin.length > 0 && !ssgOrigin.startsWith("https://") && !ssgOrigin.startsWith("http://")) {
+            if (ssgOrigin.length > 0 && !/:\/\//.test(ssgOrigin)) {
               ssgOrigin = `https://${ssgOrigin}`;
             }
+            if (ssgOrigin.startsWith("//")) {
+              ssgOrigin = `https:${ssgOrigin}`;
+            }
             try {
               ssgOrigin = new URL(ssgOrigin).origin;
             } catch (e) {
diff --git a/adapters/static/vite/index.cjs b/adapters/static/vite/index.cjs
index 96637a0..d72fa9b 100644
--- a/adapters/static/vite/index.cjs
+++ b/adapters/static/vite/index.cjs
@@ -267,9 +267,12 @@ function viteAdapter(opts) {
             if (!ssgOrigin) {
               ssgOrigin = `https://yoursite.qwik.dev`;
             }
-            if (ssgOrigin.length > 0 && !ssgOrigin.startsWith("https://") && !ssgOrigin.startsWith("http://")) {
+            if (ssgOrigin.length > 0 && !/:\/\//.test(ssgOrigin)) {
               ssgOrigin = `https://${ssgOrigin}`;
             }
+            if (ssgOrigin.startsWith("//")) {
+              ssgOrigin = `https:${ssgOrigin}`;
+            }
             try {
               ssgOrigin = new URL(ssgOrigin).origin;
             } catch (e) {
diff --git a/adapters/static/vite/index.mjs b/adapters/static/vite/index.mjs
index f1b44ef..59e1af3 100644
--- a/adapters/static/vite/index.mjs
+++ b/adapters/static/vite/index.mjs
@@ -231,9 +231,12 @@ function viteAdapter(opts) {
             if (!ssgOrigin) {
               ssgOrigin = `https://yoursite.qwik.dev`;
             }
-            if (ssgOrigin.length > 0 && !ssgOrigin.startsWith("https://") && !ssgOrigin.startsWith("http://")) {
+            if (ssgOrigin.length > 0 && !/:\/\//.test(ssgOrigin)) {
               ssgOrigin = `https://${ssgOrigin}`;
             }
+            if (ssgOrigin.startsWith("//")) {
+              ssgOrigin = `https:${ssgOrigin}`;
+            }
             try {
               ssgOrigin = new URL(ssgOrigin).origin;
             } catch (e) {
diff --git a/package.json b/package.json
index 486df3d..35715bb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@builder.io/qwik-city",
   "description": "The meta-framework for Qwik.",
-  "version": "1.5.1-dev20240327213705",
+  "version": "1.5.1-dev20240330092334",
   "bugs": "https://github.com/BuilderIO/qwik/issues",
   "dependencies": {
     "@mdx-js/mdx": "^3.0.1",