diff --git a/tests/Unit/SDK/SdkTest.php b/tests/Unit/SDK/SdkTest.php
index 85007ec22..27d3ecca6 100644
--- a/tests/Unit/SDK/SdkTest.php
+++ b/tests/Unit/SDK/SdkTest.php
@@ -5,6 +5,7 @@
 namespace OpenTelemetry\Tests\Unit\SDK;
 
 use AssertWell\PHPUnitGlobalState\EnvironmentVariables;
+use Composer\InstalledVersions;
 use OpenTelemetry\Context\Propagation\TextMapPropagatorInterface;
 use OpenTelemetry\SDK\Common\Configuration\Variables;
 use OpenTelemetry\SDK\Logs\LoggerProviderInterface;
@@ -83,6 +84,14 @@ public function test_developer_mode_auto_detected(): void
         $this->assertTrue(Sdk::isDeveloperModeEnabled());
     }
 
+    public function test_developer_mode_check_handles_exceptions(): void
+    {
+        $mock = \Mockery::mock('alias:' . InstalledVersions::class);
+        $mock->expects('getRootPackage')->andThrow(\Exception::class);
+
+        $this->assertFalse(Sdk::isDeveloperModeEnabled());
+    }
+
     public function test_builder(): void
     {
         $this->assertInstanceOf(SdkBuilder::class, Sdk::builder());