1 files changed, 3 insertions, 3 deletions

diff --git a/coreutils/tee.c b/coreutils/tee.c
index a0e177cbc..a68e9446f 100644
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -37,8 +37,8 @@ int tee_main(int argc, char **argv)
 //TODO: make unconditional
 #if ENABLE_FEATURE_TEE_USE_BLOCK_IO
         ssize_t c;
-# define        buf bb_common_bufsiz1
-# define sizeof_buf COMMON_BUFSIZE
+# define buf bb_common_bufsiz1
+        setup_common_bufsiz();
 #else
         int c;
 #endif
@@ -81,7 +81,7 @@ int tee_main(int argc, char **argv)
         /* names[0] will be filled later */
 
 #if ENABLE_FEATURE_TEE_USE_BLOCK_IO
-        while ((c = safe_read(STDIN_FILENO, buf, sizeof_buf)) > 0) {
+        while ((c = safe_read(STDIN_FILENO, buf, COMMON_BUFSIZE)) > 0) {
                 fp = files;
                 do
                         fwrite(buf, 1, c, *fp);