diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index 15f91bcec..653dcfaae 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -1603,6 +1603,10 @@ func s3Connection(ctx context.Context, opt *Options, client *http.Client) (*s3.S
 		awsSessionOpts.SharedConfigState = session.SharedConfigEnable
 		// Set the name of the profile if supplied
 		awsSessionOpts.Profile = opt.Profile
+		// Set the shared config file if supplied
+		if opt.SharedCredentialsFile != "" {
+			awsSessionOpts.SharedConfigFiles = []string{opt.SharedCredentialsFile}
+		}
 		// The session constructor (aws/session/mergeConfigSrcs) will only use the user's preferred credential source
 		// (from the shared config file) if the passed-in Options.Config.Credentials is nil.
 		awsSessionOpts.Config.Credentials = nil