diff --git a/api/main_endpoints/util/Printer.js b/api/main_endpoints/util/Printer.js
index 0da5e2219..3efaa37e0 100644
--- a/api/main_endpoints/util/Printer.js
+++ b/api/main_endpoints/util/Printer.js
@@ -15,7 +15,7 @@ async function cleanUpChunks(dir, id) {
     for (let chunk of chunks) {
       if (!path.basename(chunk).includes(id)) continue;
 
-      await fs.promises.unlink(path.join(dir, chunk), err => {
+      await fs.promises.unlink(path.join(dir, chunk)).catch(err => {
         logger.error(`Failed to delete chunk with id ${id} in ${dir}: ` + err);
       });
     }
@@ -43,7 +43,7 @@ async function cleanUpExpiredChunks(dir, expiry) {
       const age = Date.now() - stats.mtimeMs;
 
       if (age >= expiry) {
-        await fs.promises.unlink(path.join(dir, chunk), err => {
+        await fs.promises.unlink(path.join(dir, chunk)).catch(err => {
           logger.warn(`Failed to delete expired chunk in ${dir}: ` + err);
         });
 
diff --git a/test/api/Printer.js b/test/api/Printer.js
index 639de8f9e..7e285dc1a 100644
--- a/test/api/Printer.js
+++ b/test/api/Printer.js
@@ -64,6 +64,8 @@ describe('Printer', () => {
     const MY_BIRTH_DATE = new Date('December 4, 2005 07:53:00');
 
     it('Should delete expired chunks (5 minutes or older)', async () => {
+      // Clean up any pre-existing expired chunks from previous runs
+      await printerUtil.cleanUpExpiredChunks(CHUNK_DIRECTORY, 0);
       const dirBefore = await fs.promises.readdir(CHUNK_DIRECTORY);
       const numFilesBefore = dirBefore.length;