diff --git a/test/test-common.c b/test/test-common.c
index 3cf771c..1421173 100644
--- a/test/test-common.c
+++ b/test/test-common.c
@@ -59,7 +59,7 @@ int test_create_device(struct uinput_device **uidev_return,
 int test_create_abs_device(struct uinput_device **uidev_return,
 			   struct libevdev **dev_return,
 			   int nabs,
-			   struct input_absinfo *abs,
+			   const struct input_absinfo *abs,
 			   ...)
 {
 	int rc, fd;
diff --git a/test/test-common.h b/test/test-common.h
index 82e5429..8c4de0a 100644
--- a/test/test-common.h
+++ b/test/test-common.h
@@ -37,7 +37,7 @@ int test_create_device(struct uinput_device **uidev,
 int test_create_abs_device(struct uinput_device **uidev,
 		           struct libevdev **dev,
 			   int nabs,
-			   struct input_absinfo *abs,
+			   const struct input_absinfo *abs,
 			   ...);
 
 #endif /* _TEST_COMMON_H_ */