diff --git a/py/showbc.c b/py/showbc.c
index e2151c5a5c..67c740fbcc 100644
--- a/py/showbc.c
+++ b/py/showbc.c
@@ -296,22 +296,22 @@ const byte *mp_bytecode_print_str(const byte *ip) {
 
         case MP_BC_POP_JUMP_IF_TRUE:
             DECODE_SLABEL;
-            printf("POP_JUMP_IF_TRUE " INT_FMT, ip + unum - mp_showbc_code_start);
+            printf("POP_JUMP_IF_TRUE " UINT_FMT, ip + unum - mp_showbc_code_start);
             break;
 
         case MP_BC_POP_JUMP_IF_FALSE:
             DECODE_SLABEL;
-            printf("POP_JUMP_IF_FALSE " INT_FMT, ip + unum - mp_showbc_code_start);
+            printf("POP_JUMP_IF_FALSE " UINT_FMT, ip + unum - mp_showbc_code_start);
             break;
 
         case MP_BC_JUMP_IF_TRUE_OR_POP:
             DECODE_SLABEL;
-            printf("JUMP_IF_TRUE_OR_POP " INT_FMT, ip + unum - mp_showbc_code_start);
+            printf("JUMP_IF_TRUE_OR_POP " UINT_FMT, ip + unum - mp_showbc_code_start);
             break;
 
         case MP_BC_JUMP_IF_FALSE_OR_POP:
             DECODE_SLABEL;
-            printf("JUMP_IF_FALSE_OR_POP " INT_FMT, ip + unum - mp_showbc_code_start);
+            printf("JUMP_IF_FALSE_OR_POP " UINT_FMT, ip + unum - mp_showbc_code_start);
             break;
 
         case MP_BC_SETUP_WITH: