diff --git a/build/jam/DefaultBuildProfiles b/build/jam/DefaultBuildProfiles
index c2723e8480..358abc56c0 100644
--- a/build/jam/DefaultBuildProfiles
+++ b/build/jam/DefaultBuildProfiles
@@ -126,7 +126,7 @@ rule DefineDefaultBuildProfiles
 			AddGroupToHaikuImage party : 101 : user sshd ;
 			HAIKU_IMAGE_HOST_NAME ?= shredder ;
 			if $(DEBUG) != 0 {
-				HAIKU_IMAGE_SIZE ?= 700 ;
+				HAIKU_IMAGE_SIZE ?= 850 ;
 			}
 			HAIKU_IMAGE_SIZE ?= 600 ;