diff --git a/example/Makefile.inc b/example/Makefile.inc
index f556d3089..1f96e3e4f 100644
--- a/example/Makefile.inc
+++ b/example/Makefile.inc
@@ -1,6 +1,7 @@
 
 VPATH += ${BTSTACK_ROOT}/src
 VPATH += ${BTSTACK_ROOT}/src/ble
+VPATH += ${BTSTACK_ROOT}/src/ble/gatt-service
 VPATH += ${BTSTACK_ROOT}/src/classic
 VPATH += ${BTSTACK_ROOT}/example
 VPATH += ${BTSTACK_ROOT}/3rd-party/mbedtls/library