diff --git a/src/Makefile b/src/Makefile
index fa2d287..c9fe3ae 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -9,8 +9,9 @@ CC	= cc
 CPPFLAGSF= -I ../include
 CPPFLAGS=
 CFLAGSF	= -W `pkg-config --cflags libDesktop`
-CFLAGS	= -Wall -g -O2
+CFLAGS	= -Wall -g -O2 -pedantic -fPIC -fstack-protector
 LDFLAGSF= `pkg-config --libs libDesktop`
+LDFLAGS	= -Wl,-pie
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -m 0755 -p
diff --git a/src/slides/Makefile b/src/slides/Makefile
index 952ac2b..7f3c260 100644
--- a/src/slides/Makefile
+++ b/src/slides/Makefile
@@ -7,7 +7,7 @@ CC	= cc
 CPPFLAGSF= -I ../../include
 CPPFLAGS=
 CFLAGSF	= -W `pkg-config --cflags libDesktop`
-CFLAGS	= -Wall -g -O2 -pedantic -fPIC
+CFLAGS	= -Wall -g -O2 -pedantic -fPIC -fstack-protector
 LDFLAGSF= -W `pkg-config --libs libDesktop`
 AR	= ar
 RANLIB	= ranlib