diff --git a/Makefile b/Makefile
index ccdf195..8dd235d 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ DLLFLAGS=-DEV_PLATFORM_WIN32 -DUNICODE -D_UNICODE -DEV_UNSAFE_SWPRINTF -mwin32 \
  -shared
  
 DRVFLAGS= -DEV_PLATFORM_WIN32 -DUNICODE -D_UNICODE -DEV_UNSAFE_SWPRINTF -mwin32 \
--O0 -mcpu=arm926ej-s -D_WIN32_WCE=0x600 -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 \
+-O2 -mcpu=arm926ej-s -D_WIN32_WCE=0x600 -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 \
 -D_FILE_OFFSET_BITS=64 -DNDEBUG -Wall -static \
  -Wl,--image-base,0x100000,--allow-multiple-definition \
  -lcoredll -shared