diff --git a/panda/src/downloader/decompressor.cxx b/panda/src/downloader/decompressor.cxx
index 6dd9be2fb4..8ce7197040 100644
--- a/panda/src/downloader/decompressor.cxx
+++ b/panda/src/downloader/decompressor.cxx
@@ -16,6 +16,7 @@
 #include <throw_event.h>
 #include <eventParameter.h>
 #include <filename.h>
+#include <stdio.h>
 
 ////////////////////////////////////////////////////////////////////
 // Defines