diff --git a/repos/gems/run/sculpt.run b/repos/gems/run/sculpt.run
index 5043f53bba..f58bd66bbb 100644
--- a/repos/gems/run/sculpt.run
+++ b/repos/gems/run/sculpt.run
@@ -231,7 +231,7 @@ install_config {
 		</route>
 	</start>
 
-	<start name="drivers" caps="3000" priority="-1" managing_system="yes">
+	<start name="drivers" caps="3100" priority="-1" managing_system="yes">
 		<resource name="RAM" quantum="96M"/>
 		<binary name="init"/>
 		<route>
diff --git a/repos/gems/src/app/driver_manager/main.cc b/repos/gems/src/app/driver_manager/main.cc
index be1c75576e..7b9bfb3d64 100644
--- a/repos/gems/src/app/driver_manager/main.cc
+++ b/repos/gems/src/app/driver_manager/main.cc
@@ -176,7 +176,7 @@ struct Driver_manager::Boot_fb_driver : Device_driver
 				_pitch = _height = 0;
 		}
 
-		size_t num_bytes() const { return _pitch * _height + 512*1024; }
+		size_t num_bytes() const { return _pitch * _height + 1024*1024; }
 
 		bool valid() const { return _pitch * _height != 0; }
 	};