1 files changed, 1 insertions, 1 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 81943b9..b9b5b92 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -204,7 +204,7 @@ if(ZLIB_BUILD_STATIC)
             $<$<BOOL:${MSVC}>:_CRT_SECURE_NO_DEPRECATE>
             $<$<BOOL:${MSVC}>:_CRT_NONSTDC_NO_DEPRECATE>
         PUBLIC
-            $<$<BOOL:${HAVE_OFF64_T}>:LARGEFILE64_SOURCE=1>)
+            $<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>)
     set_target_properties(zlibstatic PROPERTIES
         EXPORT_NAME ZLIBSTATIC
         OUTPUT_NAME z${zlib_static_suffix})