diff --git a/src/commands/sbom/renderer.ts b/src/commands/sbom/renderer.ts
index 9fef7c969..0cd1976dc 100644
--- a/src/commands/sbom/renderer.ts
+++ b/src/commands/sbom/renderer.ts
@@ -51,6 +51,18 @@ export const renderDuplicateUpload = (sha: string, env: string, service: string)
   return fullStr
 }
 
+export const renderNoDefaultBranch = (repositoryUrl: string) => {
+  let fullStr = ''
+
+  fullStr += chalk.red(`Default branch not found for repository ${repositoryUrl}\n`)
+  fullStr += chalk.red(`Fix this issue by either:\n`)
+  fullStr += chalk.red(` - define a default branch in the repository settings on Datadog\n`)
+  fullStr += chalk.red(` - push result from your default branch first\n\n`)
+  fullStr += chalk.red(`Run an analysis once the issue is resolved\n`)
+
+  return fullStr
+}
+
 export const renderFailedUpload = (sbomReport: string, error: any) => {
   const reportPath = `[${chalk.bold.dim(sbomReport)}]`
 
diff --git a/src/commands/sbom/upload.ts b/src/commands/sbom/upload.ts
index 8f2c7c9e6..77303b426 100644
--- a/src/commands/sbom/upload.ts
+++ b/src/commands/sbom/upload.ts
@@ -5,7 +5,7 @@ import Ajv from 'ajv'
 import {AxiosPromise, AxiosResponse, isAxiosError} from 'axios'
 import {Command, Option} from 'clipanion'
 
-import {GIT_SHA, getSpanTags, mandatoryGitFields} from '../../helpers/tags'
+import {GIT_SHA, getSpanTags, mandatoryGitFields, GIT_REPOSITORY_URL} from '../../helpers/tags'
 
 import {getApiHelper} from './api'
 import {generatePayload} from './payload'
@@ -15,6 +15,7 @@ import {
   renderInvalidFile,
   renderInvalidPayload,
   renderMissingSpan,
+  renderNoDefaultBranch,
   renderSuccessfulCommand,
   renderUploading,
 } from './renderer'
@@ -135,6 +136,13 @@ export class UploadSbomCommand extends Command {
 
           return 0
         }
+
+        if (error.response?.status === 412) {
+          const repositoryUrl = tags[GIT_REPOSITORY_URL] || 'url-not-found'
+          this.context.stderr.write(renderNoDefaultBranch(repositoryUrl))
+
+          return 1
+        }
       }
 
       this.context.stderr.write(renderFailedUpload(basePath, error))