diff --git a/examples/cube/Makefile b/examples/cube/Makefile
index 39249a3..07ea805 100644
--- a/examples/cube/Makefile
+++ b/examples/cube/Makefile
@@ -2,8 +2,8 @@ obj = cube.o vmath.o
 bin = cube
 
 CC = gcc
-CFLAGS = -pedantic -Wall -g -I../..
-LDFLAGS = -L../.. -lX11 -lGL -lGLU -lm -lspnav
+CFLAGS = -pedantic -Wall -g -I../.. -I/usr/local/include
+LDFLAGS = -L../.. -L/usr/local/lib -lX11 -lGL -lGLU -lm -lspnav
 
 $(bin): $(obj)
 	$(CC) -o $@ $(obj) $(LDFLAGS)
diff --git a/examples/simple/Makefile b/examples/simple/Makefile
index 0cb7ac1..d2f4268 100644
--- a/examples/simple/Makefile
+++ b/examples/simple/Makefile
@@ -1,6 +1,6 @@
 CC = gcc
-CFLAGS = -pedantic -Wall -g -I../..
-LDFLAGS = -L../.. -lspnav -lX11
+CFLAGS = -pedantic -Wall -g -I../.. -I/usr/local/include
+LDFLAGS = -L../.. -L/usr/local/lib -lspnav -lX11
 
 .PHONY: all
 all: simple_x11 simple_af_unix