diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index 9f380d6d2fc..e2cebaf79f3 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -2493,7 +2493,7 @@ retry:
 		    ((objpgs > 0) && (p != NULL));
 		    p = TAILQ_NEXT(p, listq)) {
 
-			if (p->pindex < pindex || p->pindex - pindex > psize) {
+			if (p->pindex < pindex || p->pindex - pindex >= psize) {
 				continue;
 			}
 			tmpidx = p->pindex - pindex;
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index 9f380d6d2fc..e2cebaf79f3 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -2493,7 +2493,7 @@ retry:
 		    ((objpgs > 0) && (p != NULL));
 		    p = TAILQ_NEXT(p, listq)) {
 
-			if (p->pindex < pindex || p->pindex - pindex > psize) {
+			if (p->pindex < pindex || p->pindex - pindex >= psize) {
 				continue;
 			}
 			tmpidx = p->pindex - pindex;