diff --git a/ltp/fsx.c b/ltp/fsx.c
index 8873cd01..9bfc98e0 100644
--- a/ltp/fsx.c
+++ b/ltp/fsx.c
@@ -1930,7 +1930,7 @@ range_overlaps(
        return llabs((unsigned long long)off1 - off0) < size;
 }

-static void generate_dest_range(unsigned long op,
+static void generate_dest_range(bool readbdy_align,
                                unsigned long max_range_end,
                                unsigned long *src_offset,
                                unsigned long *size,
@@ -1939,7 +1939,7 @@ static void generate_dest_range(unsigned long op,
        int tries = 0;

        TRIM_OFF_LEN(*src_offset, *size, file_size);
-       if (op == OP_COPY_RANGE) {
+       if (readbdy_align) {
                *src_offset -= *src_offset % readbdy;
                if (o_direct)
                        *size -= *size % readbdy;
@@ -2034,13 +2034,13 @@ test(void)
                        keep_size = random() % 2;
                break;
        case OP_CLONE_RANGE:
-               generate_dest_range(op, maxfilelen, &offset, &size, &offset2);
+               generate_dest_range(false, maxfilelen, &offset, &size, &offset2);
                break;
        case OP_DEDUPE_RANGE:
-               generate_dest_range(op, file_size, &offset, &size, &offset2);
+               generate_dest_range(false, file_size, &offset, &size, &offset2);
                break;
        case OP_COPY_RANGE:
-               generate_dest_range(op, maxfilelen, &offset, &size, &offset2);
+               generate_dest_range(true, maxfilelen, &offset, &size, &offset2);
                break;
        }