diff --git a/src/Database/Concerns/ValidatesDatabaseParameters.php b/src/Database/Concerns/ValidatesDatabaseParameters.php
index 26580fa5..1c50a97b 100644
--- a/src/Database/Concerns/ValidatesDatabaseParameters.php
+++ b/src/Database/Concerns/ValidatesDatabaseParameters.php
@@ -75,7 +75,7 @@ trait ValidatesDatabaseParameters
             }
 
             if (! is_string($parameter)) {
-                throw new InvalidArgumentException("Parameter has to be a string.");
+                throw new InvalidArgumentException('Parameter has to be a string.');
             }
 
             foreach (str_split($parameter) as $character) {