diff --git a/lib/SimpleSAML/Auth/State.php b/lib/SimpleSAML/Auth/State.php
index 2b8ef3256256eb20d778bbd4425ce5e1fe1f8ff2..3aec57179bb23fe53467bdbafee626222e595515 100644
--- a/lib/SimpleSAML/Auth/State.php
+++ b/lib/SimpleSAML/Auth/State.php
@@ -241,7 +241,7 @@ class SimpleSAML_Auth_State {
 			 */
 
 			$msg = 'Wrong stage in state. Was \'' . $state[self::STAGE] .
-				'\', shoud be \'' . $stage . '\'.';
+				'\', should be \'' . $stage . '\'.';
 
 			SimpleSAML_Logger::warning($msg);