diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index b7353f45..d988eeb3 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -9,6 +9,10 @@
     beStrictAboutChangesToGlobalState="true"
     beStrictAboutTodoAnnotatedTests="true"
     forceCoversAnnotation="true"
+    convertWarningsToExceptions="false"
+    convertErrorsToExceptions="false"
+    convertNoticesToExceptions="false"
+    convertDeprecationsToExceptions="false"
 >
     <testsuites>
         <testsuite name="unit">
@@ -20,6 +24,7 @@
     </testsuites>
     <php>
         <ini name="error_reporting" value="E_ALL" />
+        <ini name="display_errors" value="On" />
     </php>
     <filter>
         <whitelist processUncoveredFilesFromWhitelist="true">
diff --git a/src/Connector/SocketConnector.php b/src/Connector/SocketConnector.php
index 4c54fca3..ec61457c 100644
--- a/src/Connector/SocketConnector.php
+++ b/src/Connector/SocketConnector.php
@@ -4,14 +4,20 @@
 
 namespace Scoutapm\Connector;
 
+use ErrorException;
 use Scoutapm\Connector\Exception\FailedToConnect;
 use Scoutapm\Connector\Exception\NotConnected;
 use Throwable;
 use const AF_UNIX;
+use const E_NOTICE;
+use const E_STRICT;
+use const E_WARNING;
 use const SOCK_STREAM;
 use function json_encode;
 use function pack;
 use function register_shutdown_function;
+use function restore_error_handler;
+use function set_error_handler;
 use function socket_clear_error;
 use function socket_close;
 use function socket_connect;
@@ -56,11 +62,23 @@ public function connect() : void
 
         try {
             socket_clear_error($this->socket);
+
+            // phpcs:disable SlevomatCodingStandard.TypeHints.TypeHintDeclaration.IncorrectReturnTypeHint
+            set_error_handler(
+                static function (int $severity, string $message, string $file = '', int $line = 0, array $context = []) : bool {
+                    throw new ErrorException($message, 0, $severity, $file, $line);
+                },
+                E_STRICT | E_NOTICE | E_WARNING
+            );
+            // phpcs:enable
+
             $this->connected = socket_connect($this->socket, $this->socketPath);
             register_shutdown_function([&$this, 'shutdown']);
         } catch (Throwable $e) {
             $this->connected = false;
             throw FailedToConnect::fromSocketPathAndPrevious($this->socketPath, $e);
+        } finally {
+            restore_error_handler();
         }
     }