diff --git a/.changeset/twenty-garlics-fold.md b/.changeset/twenty-garlics-fold.md
new file mode 100644
index 00000000000..32bb6d33ae7
--- /dev/null
+++ b/.changeset/twenty-garlics-fold.md
@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Fix "Invalid Project name" when a project with a capital letter is entered
diff --git a/packages/cli/src/create/command.ts b/packages/cli/src/create/command.ts
index a1241d14a6c..06f2ff9253c 100644
--- a/packages/cli/src/create/command.ts
+++ b/packages/cli/src/create/command.ts
@@ -90,8 +90,11 @@ export async function twCreate(options: any) {
       name: "path",
       message: CREATE_MESSAGES.projectName,
       initial: options.template || defaultName,
-      validate: (name) => {
-        const validation = validateNpmName(path.basename(path.resolve(name)));
+      format: (name: string) => name.toLowerCase(),
+      validate: (name: string) => {
+        const validation = validateNpmName(
+          path.basename(path.resolve(name.toLowerCase())),
+        );
         if (validation.valid) {
           return true;
         }