diff --git a/.changeset/small-animals-switch.md b/.changeset/small-animals-switch.md
new file mode 100644
index 000000000000..9e3c8420a2ad
--- /dev/null
+++ b/.changeset/small-animals-switch.md
@@ -0,0 +1,5 @@
+---
+"@typescript/sandbox": patch
+---
+
+getInitialCode should not use URL hash without full prefix
diff --git a/packages/sandbox/src/getInitialCode.ts b/packages/sandbox/src/getInitialCode.ts
index 3e712c091c4e..9190fdea2a61 100644
--- a/packages/sandbox/src/getInitialCode.ts
+++ b/packages/sandbox/src/getInitialCode.ts
@@ -7,13 +7,13 @@ import lzstring from "./vendor/lzstring.min"
  */
 export const getInitialCode = (fallback: string, location: Location) => {
   // Old school support
-  if (location.hash.startsWith("#src")) {
+  if (location.hash.startsWith("#src=")) {
     const code = location.hash.replace("#src=", "").trim()
     return decodeURIComponent(code)
   }
 
   // New school support
-  if (location.hash.startsWith("#code")) {
+  if (location.hash.startsWith("#code/")) {
     const code = location.hash.replace("#code/", "").trim()
     let userCode = lzstring.decompressFromEncodedURIComponent(code)
     // Fallback incase there is an extra level of decoding: