diff --git a/src/Concerns/Testable.php b/src/Concerns/Testable.php
index d43a31fd..1b164b04 100644
--- a/src/Concerns/Testable.php
+++ b/src/Concerns/Testable.php
@@ -285,12 +285,13 @@ trait Testable
         $underlyingTest = Reflection::getFunctionVariable($this->__test, 'closure');
         $testReflection = new ReflectionFunction($underlyingTest);
         $requiredParametersCount = $testReflection->getNumberOfRequiredParameters();
+        $suppliedParametersCount = count($arguments);
 
-        if (count($arguments) >= $requiredParametersCount) {
+        if ($suppliedParametersCount >= $requiredParametersCount) {
             return;
         }
 
-        throw new DatasetArgsCountMismatch($this->dataName());
+        throw new DatasetArgsCountMismatch($this->dataName(), $requiredParametersCount, $suppliedParametersCount);
     }
 
     /**
diff --git a/src/Exceptions/DatasetArgsCountMismatch.php b/src/Exceptions/DatasetArgsCountMismatch.php
index 3b34839c..86fcd3f1 100644
--- a/src/Exceptions/DatasetArgsCountMismatch.php
+++ b/src/Exceptions/DatasetArgsCountMismatch.php
@@ -8,8 +8,8 @@ use Exception;
 
 final class DatasetArgsCountMismatch extends Exception
 {
-    public function __construct(string $dataName)
+    public function __construct(string $dataName, int $requiredCount, int $suppliedCount)
     {
-        parent::__construct(sprintf('Number of arguments mismatch between test and dataset [%s]', $dataName));
+        parent::__construct(sprintf('Test expects %d arguments but dataset [%s] only provides %d', $requiredCount, $dataName, $suppliedCount));
     }
 }