diff --git a/deps/7zip/7zTypes.h b/deps/7zip/7zTypes.h
index 858ec0ed02..6332d868a8 100644
--- a/deps/7zip/7zTypes.h
+++ b/deps/7zip/7zTypes.h
@@ -41,7 +41,7 @@ EXTERN_C_BEGIN
 #define SZ_ERROR_ARCHIVE 16
 #define SZ_ERROR_NO_ARCHIVE 17
 
-typedef int SRes;
+typedef int64_t SRes;
 
 typedef int64_t WRes;