diff --git a/sys/dev/aic7xxx/aic_osm_lib.h b/sys/dev/aic7xxx/aic_osm_lib.h
index b2e591c9c7a..db717f87904 100644
--- a/sys/dev/aic7xxx/aic_osm_lib.h
+++ b/sys/dev/aic7xxx/aic_osm_lib.h
@@ -126,11 +126,16 @@ aic_wakeup_recovery_thread(struct aic_softc *aic)
 
 /****************************** Kernel Threads ********************************/
 #if __FreeBSD_version > 500005
+#if __FreeBSD_version > 800001
 #define	aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
 	kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
 #else
 #define	aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
-	kproc_create(func, farg, proc_ptr, fmtstr, arg)
+	kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
+#endif
+#else
+#define	aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
+	kthread_create(func, farg, proc_ptr, fmtstr, arg)
 #endif
 
 /******************************* Bus Space/DMA ********************************/
diff --git a/sys/dev/mpt/mpt.h b/sys/dev/mpt/mpt.h
index a3676141278..b3f7d61a526 100644
--- a/sys/dev/mpt/mpt.h
+++ b/sys/dev/mpt/mpt.h
@@ -272,11 +272,16 @@ void mpt_map_rquest(void *, bus_dma_segment_t *, int, int);
 
 /**************************** Kernel Thread Support ***************************/
 #if __FreeBSD_version > 500005
+#if __FreeBSD_version > 800001
 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
 	kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
 #else
 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
-	kproc_create(func, farg, proc_ptr, fmtstr, arg)
+	kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
+#endif
+#else
+#define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
+	kthread_create(func, farg, proc_ptr, fmtstr, arg)
 #endif
 
 /****************************** Timer Facilities ******************************/