diff --git a/examples/Makefile.am b/examples/Makefile.am
index 0fb6571..fdf810a 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -1,4 +1,4 @@
-AM_CFLAGS = -I. -I$(top_builddir)/libfreefare @LIBNFC_CFLAGS@
+AM_CFLAGS = -I. -I$(top_srcdir)/libfreefare @LIBNFC_CFLAGS@
 AM_LDFLAGS = @LIBNFC_LIBS@
 
 bin_PROGRAMS = mifare-classic-format