diff --git a/lib/private/Http/Client/Client.php b/lib/private/Http/Client/Client.php
index d19f1124a2..c0b05c48b9 100644
--- a/lib/private/Http/Client/Client.php
+++ b/lib/private/Http/Client/Client.php
@@ -93,18 +93,18 @@ class Client implements IClient {
 	}
 
 	private function getCertBundle(): string {
-		if ($this->certificateManager->listCertificates() !== []) {
-			return $this->certificateManager->getAbsoluteBundlePath();
-		}
-
 		// If the instance is not yet setup we need to use the static path as
 		// $this->certificateManager->getAbsoluteBundlePath() tries to instantiiate
 		// a view
-		if ($this->config->getSystemValue('installed', false)) {
-			return $this->certificateManager->getAbsoluteBundlePath(null);
+		if ($this->config->getSystemValue('installed', false) === false) {
+			return \OC::$SERVERROOT . '/resources/config/ca-bundle.crt';
 		}
 
-		return \OC::$SERVERROOT . '/resources/config/ca-bundle.crt';
+		if ($this->certificateManager->listCertificates() === []) {
+			return \OC::$SERVERROOT . '/resources/config/ca-bundle.crt';
+		}
+
+		return $this->certificateManager->getAbsoluteBundlePath();
 	}
 
 	/**
diff --git a/tests/lib/Http/Client/ClientTest.php b/tests/lib/Http/Client/ClientTest.php
index b136a0ca30..bd9cab023f 100644
--- a/tests/lib/Http/Client/ClientTest.php
+++ b/tests/lib/Http/Client/ClientTest.php
@@ -460,9 +460,8 @@ class ClientTest extends \Test\TestCase {
 			->with('installed', false)
 			->willReturn(false);
 		$this->certificateManager
-			->expects($this->once())
-			->method('listCertificates')
-			->willReturn([]);
+			->expects($this->never())
+			->method('listCertificates');
 
 		$this->assertEquals([
 			'verify' => \OC::$SERVERROOT . '/resources/config/ca-bundle.crt',