diff --git a/deno.json b/deno.json
index 44c61f2..c8fb0e1 100644
--- a/deno.json
+++ b/deno.json
@@ -13,5 +13,10 @@
     "@std/testing": "jsr:@std/testing@^1.0.3",
     "@std/yaml": "jsr:@std/yaml@^1.0.5",
     "ldapts": "npm:ldapts@^7.2.1"
+  },
+  "fmt": {
+    "exclude": [
+      "magick.ts"
+    ]
   }
 }
diff --git a/handlers/user-event.ts b/handlers/user-event.ts
index 7337be9..ed0dbc2 100644
--- a/handlers/user-event.ts
+++ b/handlers/user-event.ts
@@ -34,7 +34,7 @@ const userEventHandler = async function (ctx: Context) {
     } else {
       notFoundHandler(ctx);
     }
-  } catch (e) {
+  } catch (_e) {
     notFoundHandler(ctx);
   }
 };
diff --git a/html.ts b/html.ts
index b42738e..65ab62f 100644
--- a/html.ts
+++ b/html.ts
@@ -163,7 +163,7 @@ function openWithNostrAppHtml(bech32Id: string): string {
   `;
 }
 
-function feedLinksHtml(profile) {
+function feedLinksHtml(profile: Profile) {
   return `<link rel="alternate" type="application/atom+xml" href="/@${profile.username}/articles.atom" title="Articles by ${profile.name}" />`;
 }
 
diff --git a/magick.ts b/magick.ts
index 9d58962..1daa1f2 100644
--- a/magick.ts
+++ b/magick.ts
@@ -5,8 +5,9 @@ import { log } from "./log.ts";
 const tmpImgDir = "/tmp/substr/img";
 
 function createRoundedImage(profile: Profile) {
-  const command = [
-    'magick',
+  if (!profile.picture) return false;
+
+  const args = [
     profile.picture,
     '-resize', '256x256',
     '(', '+clone', '-alpha', 'extract',
@@ -20,15 +21,14 @@ function createRoundedImage(profile: Profile) {
     `${tmpImgDir}/p-${profile.event.id}-rounded.png`
   ];
 
-  return runCommand(command);
+  return runCommand("magick", args);
 }
 
 async function createOgImage(profile: Profile, ogImagePath: string, backgroundColor: string) {
   const status = await createRoundedImage(profile);
 
-  if (status.success) {
-    const command = [
-      'magick',
+  if (status && status.success) {
+    const args = [
       `${tmpImgDir}/p-${profile.event.id}-rounded.png`,
       '-resize', '256x256',
       '-background', backgroundColor,
@@ -39,7 +39,7 @@ async function createOgImage(profile: Profile, ogImagePath: string, backgroundCo
       ogImagePath
     ];
 
-    return runCommand(command);
+    return runCommand("magick", args);
   }
 };
 
@@ -52,7 +52,7 @@ export async function generateOgProfileImage(profile: Profile) {
 
   if (!fileExists) {
     const status = await createOgImage(profile, ogImagePath, backgroundColor);
-    if (status.success) {
+    if (status && status.success) {
       log(`Created OG image for ${profile.username}: ${ogImagePath}`, "blue")
     } else {
       log(`Could not create OG image for ${profile.username}`, "yellow")
diff --git a/models/article.ts b/models/article.ts
index 9cc925f..1a4bdd3 100644
--- a/models/article.ts
+++ b/models/article.ts
@@ -28,7 +28,7 @@ export default class Article {
     return tag ? tag[1] : "Untitled";
   }
 
-  get image(): string {
+  get image(): string | undefined {
     const tag = this.event.tags.find((t) => t[0] === "image");
     return tag ? tag[1] : undefined;
   }
diff --git a/utils.ts b/utils.ts
index 459c08c..a407d29 100644
--- a/utils.ts
+++ b/utils.ts
@@ -1,4 +1,4 @@
-export async function checkIfFileExists(filePath: string): boolean {
+export async function checkIfFileExists(filePath: string): Promise<boolean> {
   try {
     await Deno.lstat(filePath);
     return true;
@@ -11,19 +11,24 @@ export async function checkIfFileExists(filePath: string): boolean {
   }
 }
 
-export async function createSubtrTmpDirectories(): void {
+export async function createSubtrTmpDirectories(): Promise<void> {
   const dirs = [
-    "/tmp/substr/img/"
-  ]
+    "/tmp/substr/img/",
+  ];
 
   for (const path of dirs) {
     await Deno.mkdir(path, { recursive: true });
   }
 }
 
-export async function runCommand(command) {
-  const process = Deno.run({ cmd: command });
-  const status = await process.status();
-  process.close();
-  return status;
+export async function runCommand(cmd: string, args: string[]) {
+  const command = new Deno.Command(cmd, { args });
+  const { code, stdout, stderr } = await command.output();
+
+  if (code === 1) {
+    console.log(new TextDecoder().decode(stdout));
+    console.log(new TextDecoder().decode(stderr));
+  }
+
+  return { success: code === 0, stdout, stderr };
 }