diff --git a/src/runtime/type.go b/src/runtime/type.go
index 660b45ef39..5ae3c4b09e 100644
--- a/src/runtime/type.go
+++ b/src/runtime/type.go
@@ -287,7 +287,7 @@ func (t *_type) textOff(off textOff) unsafe.Pointer {
 		for i := range md.textsectmap {
 			sectaddr := md.textsectmap[i].vaddr
 			sectlen := md.textsectmap[i].length
-			if uintptr(off) >= sectaddr && uintptr(off) <= sectaddr+sectlen {
+			if uintptr(off) >= sectaddr && uintptr(off) < sectaddr+sectlen {
 				res = md.textsectmap[i].baseaddr + uintptr(off) - uintptr(md.textsectmap[i].vaddr)
 				break
 			}