diff --git a/platform/util/resources/misc/registry.properties b/platform/util/resources/misc/registry.properties
index 547ff5ac85d4..838dd2348f29 100644
--- a/platform/util/resources/misc/registry.properties
+++ b/platform/util/resources/misc/registry.properties
@@ -545,6 +545,9 @@ GRADLE.system.in.process=true
 GRADLE.system.in.process.description=Whether IDEA should use 'in-process' mode for interaction with gradle api
 
 grails.advanced.mode=false
+grails.simple.debug=false
+grails.simple.debug.description=Use simple debug strategy in Grails 3.x: pass --debug-jvm and then poll 5005. \
+  This switch works only for Grails >= 3.1.5.
 bigger.font.in.project.view=false
 bigger.font.in.project.view.description=Increases font size in Project View
 darcula.use.native.fonts.on.linux=true