diff --git a/tcg/tcg.c b/tcg/tcg.c
index 9822c65ea8..855e4cc537 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1374,16 +1374,14 @@ void tcg_temp_free_internal(TCGTemp *ts)
         g_assert_not_reached();
     }
 
-#if defined(CONFIG_DEBUG_TCG)
-    s->temps_in_use--;
-    if (s->temps_in_use < 0) {
-        fprintf(stderr, "More temporaries freed than allocated!\n");
-    }
-#endif
-
     tcg_debug_assert(ts->temp_allocated != 0);
     ts->temp_allocated = 0;
 
+#if defined(CONFIG_DEBUG_TCG)
+    assert(s->temps_in_use > 0);
+    s->temps_in_use--;
+#endif
+
     idx = temp_idx(ts);
     k = ts->base_type + (ts->kind == TEMP_NORMAL ? 0 : TCG_TYPE_COUNT);
     set_bit(idx, s->free_temps[k].l);