diff --git a/proc/linux/compile_linux_gcc.sh b/proc/linux/compile_linux_gcc.sh
index 3a104ba5..f93aa486 100755
--- a/proc/linux/compile_linux_gcc.sh
+++ b/proc/linux/compile_linux_gcc.sh
@@ -38,7 +38,7 @@ src=(
 )
 
 # Build library
-gcc -c -O3 ${flags[*]} ${inc[*]} ${src[*]} ${libs[*]}
+gcc -c -O0 ${flags[*]} ${inc[*]} ${src[*]} ${libs[*]}
 ar -rcs lib${proj_name}.a *o 
 ranlib lib${proj_name}.a
 rm *.o