diff --git a/tcg/tcg.c b/tcg/tcg.c
index 351a0a303..cd2db3cb5 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -253,8 +253,8 @@ void tcg_prologue_init(TCGContext *s)
     s->code_buf = code_gen_prologue;
     s->code_ptr = s->code_buf;
     tcg_target_qemu_prologue(s);
-    flush_icache_range((unsigned long)s->code_buf, 
-                       (unsigned long)s->code_ptr);
+    flush_icache_range((tcg_target_ulong)s->code_buf,
+                       (tcg_target_ulong)s->code_ptr);
 }
 
 void tcg_set_frame(TCGContext *s, int reg,
@@ -2176,8 +2176,9 @@ int tcg_gen_code(TCGContext *s, uint8_t *gen_code_buf)
     tcg_gen_code_common(s, gen_code_buf, -1);
 
     /* flush instruction cache */
-    flush_icache_range((unsigned long)gen_code_buf, 
-                       (unsigned long)s->code_ptr);
+    flush_icache_range((tcg_target_ulong)gen_code_buf,
+                       (tcg_target_ulong)s->code_ptr);
+
     return s->code_ptr -  gen_code_buf;
 }