diff --git a/src/Nazara/Core/ParameterList.cpp b/src/Nazara/Core/ParameterList.cpp
index 2bafb827f..3add83482 100644
--- a/src/Nazara/Core/ParameterList.cpp
+++ b/src/Nazara/Core/ParameterList.cpp
@@ -266,7 +266,7 @@ bool NzParameterList::GetUserdataParameter(const NzString& name, void** value) c
 	}
 	else
 	{
-		NazaraError("Parameter value is not an userdata");
+		NazaraError("Parameter value is not a userdata");
 		return false;
 	}
 }