diff --git a/contrib/c-blosc/utils/utils_blosc.h b/contrib/c-blosc/utils/utils_blosc.h
index cbc8307..3e3ec27 100644
--- a/contrib/c-blosc/utils/utils_blosc.h
+++ b/contrib/c-blosc/utils/utils_blosc.h
@@ -19,6 +19,7 @@
 #include <string>
 
 #include "absl/status/status.h"
+#include "contrib/c-blosc/sandboxed.h"
 
 absl::Status Compress(CbloscApi& api, std::ifstream& in_stream,
                       std::ofstream& out_stream, int clevel,