@@ -62,7 +62,7 @@ protected function _initModularModule(
      */
     protected function _getModuleServiceKey(ModuleInterface $module)
     {
-        return sprintf('%s-module', $module->getKey());
+        return sprintf('%s_module', $module->getKey());
     }
 
     /**
Original file line number	Diff line number	Diff line change
`@@ -62,7 +62,7 @@ protected function _initModularModule(`
`62`	`62`	`*/`
`63`	`63`	`protected function _getModuleServiceKey(ModuleInterface $module)`
`64`	`64`	`{`
`65`		`- return sprintf('%s-module', $module->getKey());`
	`65`	`+ return sprintf('%s_module', $module->getKey());`
`66`	`66`	`}`
`67`	`67`
`68`	`68`	`/**`