diff --git a/apps/v4/app/(app)/create/lib/v0.ts b/apps/v4/app/(app)/create/lib/v0.ts
index 75881b7c359..adf51befaa2 100644
--- a/apps/v4/app/(app)/create/lib/v0.ts
+++ b/apps/v4/app/(app)/create/lib/v0.ts
@@ -125,7 +125,7 @@ const themeProviderFile = registryItemFileSchema.parse({
             return
           }
 
-          if (event.key.toLowerCase() !== "d") {
+          if (!event.key || event.key.toLowerCase() !== "d") {
             return
           }
 
diff --git a/templates/next-app/components/theme-provider.tsx b/templates/next-app/components/theme-provider.tsx
index 3d44f481511..f477d68efa1 100644
--- a/templates/next-app/components/theme-provider.tsx
+++ b/templates/next-app/components/theme-provider.tsx
@@ -47,7 +47,7 @@ function ThemeHotkey() {
         return
       }
 
-      if (event.key.toLowerCase() !== "d") {
+      if (!event.key || event.key.toLowerCase() !== "d") {
         return
       }
 
diff --git a/templates/next-monorepo/apps/web/components/theme-provider.tsx b/templates/next-monorepo/apps/web/components/theme-provider.tsx
index 3d44f481511..f477d68efa1 100644
--- a/templates/next-monorepo/apps/web/components/theme-provider.tsx
+++ b/templates/next-monorepo/apps/web/components/theme-provider.tsx
@@ -47,7 +47,7 @@ function ThemeHotkey() {
         return
       }
 
-      if (event.key.toLowerCase() !== "d") {
+      if (!event.key || event.key.toLowerCase() !== "d") {
         return
       }
 
diff --git a/templates/vite-app/src/components/theme-provider.tsx b/templates/vite-app/src/components/theme-provider.tsx
index 1349a0ca185..767308f6e7c 100644
--- a/templates/vite-app/src/components/theme-provider.tsx
+++ b/templates/vite-app/src/components/theme-provider.tsx
@@ -153,7 +153,7 @@ export function ThemeProvider({
         return
       }
 
-      if (event.key.toLowerCase() !== "d") {
+      if (!event.key || event.key.toLowerCase() !== "d") {
         return
       }
 
diff --git a/templates/vite-monorepo/apps/web/src/components/theme-provider.tsx b/templates/vite-monorepo/apps/web/src/components/theme-provider.tsx
index 1349a0ca185..767308f6e7c 100644
--- a/templates/vite-monorepo/apps/web/src/components/theme-provider.tsx
+++ b/templates/vite-monorepo/apps/web/src/components/theme-provider.tsx
@@ -153,7 +153,7 @@ export function ThemeProvider({
         return
       }
 
-      if (event.key.toLowerCase() !== "d") {
+      if (!event.key || event.key.toLowerCase() !== "d") {
         return
       }