diff --git a/src/makefiles/Makefile.linux b/src/makefiles/Makefile.linux
index 8b440692c6d5926af5fef0de7919fbb17071809f..a39c10f77d6bc625c68641f52e5acd3df0a17f5d 100644
--- a/src/makefiles/Makefile.linux
+++ b/src/makefiles/Makefile.linux
@@ -1,3 +1,4 @@
+CFLAGS	= -I$(SRCDIR)/include -I/usr/include/ncurses -I/usr/include/readline -Dlinuxalpha -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
 ifdef LINUX_ELF
 # test for __ELF__ in C code so do not need LINUX_ELF defined
 # - thomas 1997-12-29