diff --git a/src/GitRepository.php b/src/GitRepository.php
index e677f3e..98fc99e 100644
--- a/src/GitRepository.php
+++ b/src/GitRepository.php
@@ -234,7 +234,19 @@ public function getLocalBranches()
 		 */
 		public function checkout($name)
 		{
-			$this->run('checkout', '--end-of-options', $name);
+			if (!is_string($name)) {
+				throw new InvalidArgumentException('Branch name must be string.');
+			}
+
+			if ($name === '') {
+				throw new InvalidArgumentException('Branch name cannot be empty.');
+			}
+
+			if ($name[0] === '-') {
+				throw new InvalidArgumentException('Branch name cannot be option name.');
+			}
+
+			$this->run('checkout', $name);
 			return $this;
 		}
 
diff --git a/tests/GitPhp/GitRepository.branches.phpt b/tests/GitPhp/GitRepository.branches.phpt
index 3b41d48..3b596cb 100644
--- a/tests/GitPhp/GitRepository.branches.phpt
+++ b/tests/GitPhp/GitRepository.branches.phpt
@@ -12,10 +12,10 @@ $git = new Git($runner);
 
 $runner->assert(['branch', '--end-of-options', 'master']);
 $runner->assert(['branch', '--end-of-options', 'develop']);
-$runner->assert(['checkout', '--end-of-options', 'develop']);
+$runner->assert(['checkout', 'develop']);
 $runner->assert(['merge', '--end-of-options', 'feature-1']);
 $runner->assert(['branch', '-d', 'feature-1']);
-$runner->assert(['checkout', '--end-of-options', 'master']);
+$runner->assert(['checkout', 'master']);
 
 $repo = $git->open(__DIR__);
 $repo->createBranch('master');