diff --git a/kconfigs/qemu.conf b/kconfigs/qemu.conf
index e212cb96a4cc7d3966823a8fec2fdabdc0a67b17..e7e191c23ecd59d41dfe0d2e52f59ea678462829 100644
--- a/kconfigs/qemu.conf
+++ b/kconfigs/qemu.conf
@@ -3,6 +3,7 @@ CONFIG_OPTEE=y
 CONFIG_STAGING=y
 CONFIG_ION=y
 CONFIG_ION_DUMMY=y
+CONFIG_ION_UNMAPPED_HEAP=y
 CONFIG_ION_DUMMY_UNMAPPED_HEAP=y
 CONFIG_ION_DUMMY_UNMAPPED_BASE=0x0ec00000
 CONFIG_ION_DUMMY_UNMAPPED_SIZE=0x00400000