diff --git a/build/jam/DefaultBuildProfiles b/build/jam/DefaultBuildProfiles
index ffa74532c1..45510f9185 100644
--- a/build/jam/DefaultBuildProfiles
+++ b/build/jam/DefaultBuildProfiles
@@ -70,6 +70,9 @@ rule DefineDefaultBuildProfiles
 			HAIKU_ROOT_USER_REAL_NAME ?= "Yourself" ;
 			AddGroupToHaikuImage party : 101 : user sshd ;
 			HAIKU_IMAGE_HOST_NAME ?= shredder ;
+			if $(DEBUG) != 0 {
+				HAIKU_IMAGE_SIZE ?= 900 ;
+			}
 			HAIKU_IMAGE_SIZE ?= 800 ;
 
 			AddHaikuImagePackages