diff --git a/pkg/backup.go b/pkg/backup.go
index 3754113f..d3252c56 100644
--- a/pkg/backup.go
+++ b/pkg/backup.go
@@ -348,8 +348,8 @@ func (opt *mongoOptions) backupMongoDB(targetRef api_v1beta1.TargetRef) (*restic
 		}...)
 	} else {
 		adminCreds = []interface{}{
-			"--username", string(appBindingSecret.Data[MongoUserKey]),
-			"--password", string(appBindingSecret.Data[MongoPasswordKey]),
+			fmt.Sprintf("--username=%s", appBindingSecret.Data[MongoUserKey]),
+			fmt.Sprintf("--password=%s", appBindingSecret.Data[MongoPasswordKey]),
 			"--authenticationDatabase", opt.authenticationDatabase,
 		}
 	}
diff --git a/pkg/restore.go b/pkg/restore.go
index be61cb77..896922e3 100644
--- a/pkg/restore.go
+++ b/pkg/restore.go
@@ -281,8 +281,8 @@ func (opt *mongoOptions) restoreMongoDB(targetRef api_v1beta1.TargetRef) (*resti
 
 	} else {
 		adminCreds = []interface{}{
-			"--username", string(appBindingSecret.Data[MongoUserKey]),
-			"--password", string(appBindingSecret.Data[MongoPasswordKey]),
+			fmt.Sprintf("--username=%s", appBindingSecret.Data[MongoUserKey]),
+			fmt.Sprintf("--password=%s", appBindingSecret.Data[MongoPasswordKey]),
 			"--authenticationDatabase", opt.authenticationDatabase,
 		}
 	}