diff --git a/src/cat.asm b/src/cat.asm
index 59905bc..f5aeccf 100644
--- a/src/cat.asm
+++ b/src/cat.asm
@@ -3,7 +3,7 @@
 
           global     _start
 
-IO_BUF_SIZE  EQU 1024
+IO_BUF_SIZE  EQU 2048
 STDIN_FD     EQU 0
 STDOUT_FD    EQU 1
 
diff --git a/src/wc.asm b/src/wc.asm
index 7965993..584dd88 100644
--- a/src/wc.asm
+++ b/src/wc.asm
@@ -3,7 +3,7 @@
 
           global     _start
 
-IO_BUF_SIZE EQU 1024
+IO_BUF_SIZE EQU 2048
 
           section   .data
 file_not_found_msg: