diff --git a/src/Prefetcher.php b/src/Prefetcher.php
index 9f32af9..b6c4160 100644
--- a/src/Prefetcher.php
+++ b/src/Prefetcher.php
@@ -33,7 +33,7 @@ public function fetchAll(IO\IOInterface $io, array $requests)
                 $successCnt += $result['successCnt'];
                 $failureCnt += $result['failureCnt'];
                 foreach ($result['urls'] as $url) {
-                    $io->writeError("    <comment>$successCnt/$totalCnt</comment>:\t$url");
+                    $io->writeError("    <comment>$successCnt/$totalCnt</comment>:\t$url", true, IO\IOInterface::VERBOSE);
                 }
             } while ($multi->remain());
         } catch (FetchException $e) {
@@ -41,7 +41,7 @@ public function fetchAll(IO\IOInterface $io, array $requests)
         }
 
         $skippedCnt = $totalCnt - $successCnt - $failureCnt;
-        $io->writeError("    Finished: <comment>success: $successCnt, skipped: $skippedCnt, failure: $failureCnt, total: $totalCnt</comment>");
+        $io->writeError("    Finished: <comment>success: $successCnt, skipped: $skippedCnt, failure: $failureCnt, total: $totalCnt</comment>", true, IO\IOInterface::VERBOSE);
     }
 
     /**
diff --git a/tests/unit/PrefetcherTest.php b/tests/unit/PrefetcherTest.php
index 46a6d8e..5c88460 100644
--- a/tests/unit/PrefetcherTest.php
+++ b/tests/unit/PrefetcherTest.php
@@ -1,6 +1,7 @@
 <?php
 namespace Hirak\Prestissimo;
 
+use Composer\IO\IOInterface;
 use Prophecy\Argument as arg;
 
 class PrefetcherTest extends \PHPUnit_Framework_TestCase
@@ -24,7 +25,7 @@ public function testFetchAllOnFailure()
             CURLOPT_URL => 'file://uso800.txt',
             CURLOPT_FILE => tmpfile(),
         ));
-        $this->iop->writeError("    Finished: <comment>success: 0, skipped: 0, failure: 1, total: 1</comment>")->shouldBeCalledTimes(1);
+        $this->iop->writeError("    Finished: <comment>success: 0, skipped: 0, failure: 1, total: 1</comment>", true, IOInterface::VERBOSE)->shouldBeCalledTimes(1);
 
         $fetcher = new Prefetcher;
         $fetcher->fetchAll($this->iop->reveal(), array($reqp->reveal()));
@@ -39,7 +40,7 @@ public function testFetchAllOnSuccess()
         ));
         $reqp->makeSuccess()->willReturn(null);
         $reqp->getMaskedURL()->willReturn('file://' . __DIR__ . '/test.txt');
-        $this->iop->writeError(arg::type('string'))->shouldBeCalled();
+        $this->iop->writeError(arg::type('string'), true, IOInterface::VERBOSE)->shouldBeCalled();
 
         $fetcher = new Prefetcher;
         $fetcher->fetchAll($this->iop->reveal(), array($reqp->reveal()));