diff --git a/qemu-img.c b/qemu-img.c
index a3b64c88af..a9b3a8103c 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -4922,7 +4922,7 @@ static int img_dd(int argc, char **argv)
     const char *out_fmt = "raw";
     const char *fmt = NULL;
     int64_t size = 0;
-    int64_t block_count = 0, out_pos, in_pos;
+    int64_t out_pos, in_pos;
     bool force_share = false;
     struct DdInfo dd = {
         .flags = 0,
@@ -5122,7 +5122,7 @@ static int img_dd(int argc, char **argv)
 
     in.buf = g_new(uint8_t, in.bsz);
 
-    for (out_pos = 0; in_pos < size; block_count++) {
+    for (out_pos = 0; in_pos < size; ) {
         int bytes = (in_pos + in.bsz > size) ? size - in_pos : in.bsz;
 
         ret = blk_pread(blk1, in_pos, bytes, in.buf, 0);