diff --git a/libc/zipos/zipos.internal.h b/libc/zipos/zipos.internal.h
index e3e719073..30e41a4b6 100644
--- a/libc/zipos/zipos.internal.h
+++ b/libc/zipos/zipos.internal.h
@@ -4,7 +4,7 @@
 #if !(__ASSEMBLER__ + __LINKER__ + 0)
 COSMOPOLITAN_C_START_
 
-#if 1
+#if 0
 #define ZTRACE(FMT, ...) (dprintf)(2, FMT "\n", ##__VA_ARGS__)
 #else
 #define ZTRACE(FMT, ...) (void)0