diff --git a/tests/auc/Makefile.am b/tests/auc/Makefile.am
index a3814b6..9b65d71 100644
--- a/tests/auc/Makefile.am
+++ b/tests/auc/Makefile.am
@@ -2,12 +2,12 @@
 
 AM_CPPFLAGS = \
 	$(all_includes) \
-	-I$(top_srcdir)/src \
 	$(NULL)
 
 AM_CFLAGS = \
 	-Wall \
 	-ggdb3 \
+	-I$(top_srcdir)/include \
 	$(LIBOSMOCORE_CFLAGS) \
 	$(LIBOSMOGSM_CFLAGS) \
 	$(NULL)
diff --git a/tests/auc/auc_test.c b/tests/auc/auc_test.c
index e23cc02..cdbd0b7 100644
--- a/tests/auc/auc_test.c
+++ b/tests/auc/auc_test.c
@@ -29,8 +29,8 @@
 
 #include <osmocom/crypt/auth.h>
 
-#include "logging.h"
-#include "auc.h"
+#include <osmocom/hlr/logging.h>
+#include <osmocom/hlr/auc.h>
 
 #define comment_start() fprintf(stderr, "\n===== %s\n", __func__);
 #define comment_end() fprintf(stderr, "===== %s: SUCCESS\n\n", __func__);
diff --git a/tests/auc/gen_ts_55_205_test_sets/main_template.c b/tests/auc/gen_ts_55_205_test_sets/main_template.c
index a78bddb..3fafdf5 100644
--- a/tests/auc/gen_ts_55_205_test_sets/main_template.c
+++ b/tests/auc/gen_ts_55_205_test_sets/main_template.c
@@ -33,8 +33,8 @@
 
 #include <osmocom/crypt/auth.h>
 
-#include "logging.h"
-#include "auc.h"
+#include <osmocom/hlr/logging.h>
+#include <osmocom/hlr/auc.h>
 
 #define comment_start() fprintf(stderr, "\n===== %s\n", __func__);
 #define comment_end() fprintf(stderr, "===== %s: SUCCESS\n\n", __func__);