diff --git a/sys/arm/arm/busdma_machdep-v6.c b/sys/arm/arm/busdma_machdep-v6.c
index 94d02a999587..a7a594768bc2 100644
--- a/sys/arm/arm/busdma_machdep-v6.c
+++ b/sys/arm/arm/busdma_machdep-v6.c
@@ -252,9 +252,9 @@ exclusion_bounce_check(vm_offset_t lowaddr, vm_offset_t highaddr)
 		return (0);
 
 	for (i = 0; phys_avail[i] && phys_avail[i + 1]; i += 2) {
-		if ((lowaddr >= phys_avail[i] && lowaddr <= phys_avail[i + 1])
+		if ((lowaddr >= phys_avail[i] && lowaddr < phys_avail[i + 1])
 		    || (lowaddr < phys_avail[i] &&
-		    highaddr > phys_avail[i]))
+		    highaddr >= phys_avail[i]))
 			return (1);
 	}
 	return (0);