diff --git a/CMake/TestLargeFiles.c.cmake.in b/CMake/TestLargeFiles.c.cmake.in
index 82691032..a6bc4996 100644
--- a/CMake/TestLargeFiles.c.cmake.in
+++ b/CMake/TestLargeFiles.c.cmake.in
@@ -1,7 +1,7 @@
 #cmakedefine _LARGEFILE_SOURCE
 #cmakedefine _LARGEFILE64_SOURCE
 #cmakedefine _LARGE_FILES
-#cmakedefine _FILE_OFFSET_BITS 
+#cmakedefine _FILE_OFFSET_BITS @_FILE_OFFSET_BITS@
 
 #include <sys/types.h>
 #include <stdio.h>
diff --git a/opj_config.h.cmake.in b/opj_config.h.cmake.in
index ce12dede..7bfe9141 100644
--- a/opj_config.h.cmake.in
+++ b/opj_config.h.cmake.in
@@ -18,7 +18,7 @@
 #cmakedefine _LARGEFILE_SOURCE
 #cmakedefine _LARGEFILE64_SOURCE
 #cmakedefine _LARGE_FILES
-#cmakedefine _FILE_OFFSET_BITS
+#cmakedefine _FILE_OFFSET_BITS @_FILE_OFFSET_BITS@
 #cmakedefine HAVE_FSEEKO
 #cmakedefine HAVE__FSEEKI64