1 files changed, 3 insertions, 1 deletions

diff --git a/coreutils/tee.c b/coreutils/tee.c
index 48cc0508f..a68e9446f 100644
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -23,6 +23,7 @@
 //usage:       "Hello\n"
 
 #include "libbb.h"
+#include "common_bufsiz.h"
 
 int tee_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int tee_main(int argc, char **argv)
@@ -37,6 +38,7 @@ int tee_main(int argc, char **argv)
 #if ENABLE_FEATURE_TEE_USE_BLOCK_IO
         ssize_t c;
 # define buf bb_common_bufsiz1
+        setup_common_bufsiz();
 #else
         int c;
 #endif
@@ -79,7 +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);