diff --git a/sys/powerpc/aim/aim_machdep.c b/sys/powerpc/aim/aim_machdep.c
index 7c69f4c72b7..da2c9ec6456 100644
--- a/sys/powerpc/aim/aim_machdep.c
+++ b/sys/powerpc/aim/aim_machdep.c
@@ -212,6 +212,7 @@ aim_early_init(vm_offset_t fdt, vm_offset_t toc, vm_offset_t ofentry, void *mdp,
 		case IBMPOWER7PLUS:
 		case IBMPOWER8:
 		case IBMPOWER8E:
+		case IBMPOWER9:
 			/* XXX: get from ibm,slb-size in device tree */
 			n_slbs = 32;
 			break;