diff --git a/samples/sample_x86_32_gdt_and_seg_regs.c b/samples/sample_x86_32_gdt_and_seg_regs.c
index c3531619..7e1e260b 100644
--- a/samples/sample_x86_32_gdt_and_seg_regs.c
+++ b/samples/sample_x86_32_gdt_and_seg_regs.c
@@ -269,7 +269,7 @@ static void gdt_demo()
 
     int i;
     for (i = 0; i < 8; i++) {
-        fprintf(stderr, "%02hhx", buf[i]);
+        fprintf(stderr, "%02x", buf[i]);
     }
     fprintf(stderr, "\n");