diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5690eb2..7655220 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+### Fixed
+- crash from broken plugin loaded hook input from global
+
 ## 3.3 - 2019-03-27
 
 ### Added
diff --git a/src/Record/Collector/Plugin_Load_Collector.php b/src/Record/Collector/Plugin_Load_Collector.php
index 60fca42..22f8d95 100644
--- a/src/Record/Collector/Plugin_Load_Collector.php
+++ b/src/Record/Collector/Plugin_Load_Collector.php
@@ -32,15 +32,22 @@ public function __construct() {
 	 *
 	 * @param string $plugin Plugin file path.
 	 */
-	public function plugin_loaded( string $plugin ): void {
+	public function plugin_loaded( $plugin ): void {
+
+		$time = microtime( true );
+
+		if ( ! is_string( $plugin ) ) { // Broken hook input from global.
+			$this->last = $time;
+
+			return;
+		}
 
-		$time            = microtime( true );
 		$this->entries[] = [
 			'name'     => $plugin,
 			'origin'   => $this->last,
 			'duration' => $time - $this->last,
 		];
-		$this->last      = $time;
+		$this->last = $time;
 	}
 
 	/**