diff --git a/default-configs/or1k-softmmu.mak b/default-configs/or1k-softmmu.mak
index 6f5824fd48..6a0f2ef6cf 100644
--- a/default-configs/or1k-softmmu.mak
+++ b/default-configs/or1k-softmmu.mak
@@ -3,3 +3,4 @@
 CONFIG_SERIAL=y
 CONFIG_OPENCORES_ETH=y
 CONFIG_OMPIC=y
+CONFIG_OR1K_SIM=y
diff --git a/hw/openrisc/Makefile.objs b/hw/openrisc/Makefile.objs
index 61246b149b..aa04de7f5a 100644
--- a/hw/openrisc/Makefile.objs
+++ b/hw/openrisc/Makefile.objs
@@ -1,2 +1,2 @@
 obj-y = pic_cpu.o cputimer.o
-obj-y += openrisc_sim.o 
+obj-$(CONFIG_OR1K_SIM) += openrisc_sim.o