diff --git a/build-tools/src/main/resources/checkstyle/sarl/checkstyle.xml b/build-tools/src/main/resources/checkstyle/sarl/checkstyle.xml
index 18e9e2fe5f..d05d8e2eb2 100644
--- a/build-tools/src/main/resources/checkstyle/sarl/checkstyle.xml
+++ b/build-tools/src/main/resources/checkstyle/sarl/checkstyle.xml
@@ -217,7 +217,7 @@
 
 		<!-- Check the names of the method type parameters. -->
 		<module name="MethodTypeParameterName">
-			<property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)" />
+			<property name="format" value="(^[A-Z]+[0-9]*$)" />
 			<message key="name.invalidPattern"
 				value="Method type name ''{0}'' must match pattern ''{1}''." />
 		</module>