diff --git a/gdbstub.c b/gdbstub.c
index d346ad94f..2ec2f33f8 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -908,8 +908,11 @@ static int gdb_handle_packet(GDBState *s, CPUState *env, const char *line_buf)
         if (strncmp(p, "Offsets", 7) == 0) {
             TaskState *ts = env->opaque;
 
-            sprintf(buf, "Text=%x;Data=%x;Bss=%x", ts->info->code_offset,
-                ts->info->data_offset, ts->info->data_offset);
+            sprintf(buf,
+                    "Text=" TARGET_FMT_lx ";Data=" TARGET_FMT_lx ";Bss=" TARGET_FMT_lx,
+                    ts->info->code_offset,
+                    ts->info->data_offset,
+                    ts->info->data_offset);
             put_packet(s, buf);
             break;
         }