diff --git a/tools/simdstring/generate.go b/tools/simdstring/generate.go
index d820181e3..b23c3804e 100644
--- a/tools/simdstring/generate.go
+++ b/tools/simdstring/generate.go
@@ -1368,7 +1368,7 @@ func (s *State) index_func(f *Function, test_bytes func(bytes_to_test, test_ans
 		f.MaskForCountDestructive(test_ans, mask)
 		f.Comment("We need to shift out the possible extra bytes at the start of the string caused by the unaligned read")
 		f.ShiftMaskRightDestructive(mask, extra_bytes)
-		f.JumpIfNonZero(mask, "byte_found")
+		f.JumpIfNonZero(mask, "byte_found_in_mask")
 	}()
 
 	f.Comment("Now loop over aligned blocks")
@@ -1383,12 +1383,13 @@ func (s *State) index_func(f *Function, test_bytes func(bytes_to_test, test_ans
 	f.Label("loop_body")
 	f.LoadPointerAligned(pos, bytes_to_test)
 	test_bytes(bytes_to_test, test_ans)
-	f.MaskForCountDestructive(test_ans, mask)
-	f.JumpIfNonZero(mask, "byte_found")
+	f.JumpIfNonZero(test_ans, "byte_found_in_vec")
 	f.JumpTo("loop_start")
 
+	f.Label("byte_found_in_vec")
+	f.MaskForCountDestructive(test_ans, mask)
 	f.Comment("Get the result from", mask, "and return it")
-	f.Label("byte_found")
+	f.Label("byte_found_in_mask")
 	f.CountLeadingZeroBytesInMask(mask, mask)
 	f.AddToSelf(mask, pos)
 	f.JumpIfLessThan(mask, limit, "result_in_bounds")