diff --git a/src/libeis-region.c b/src/libeis-region.c
index fcc07a7..1d8bf81 100644
--- a/src/libeis-region.c
+++ b/src/libeis-region.c
@@ -132,7 +132,7 @@ eis_region_add(struct eis_region *region)
 	eis_device_unref(region->device);
 }
 
-bool
+_public_ bool
 eis_region_contains(struct eis_region *r, double x, double y)
 {
 	return (x >= r->x && x < r->x + r->width &&
diff --git a/src/libeis-region.h b/src/libeis-region.h
index 69a7a07..d0c6b10 100644
--- a/src/libeis-region.h
+++ b/src/libeis-region.h
@@ -39,6 +39,3 @@ struct eis_region {
 	uint32_t width, height;
 	double physical_scale;
 };
-
-bool
-eis_region_contains(struct eis_region *r, double x, double y);
diff --git a/src/libeis.h b/src/libeis.h
index 9e3bc85..6264962 100644
--- a/src/libeis.h
+++ b/src/libeis.h
@@ -1007,6 +1007,14 @@ eis_region_get_height(struct eis_region *region);
 double
 eis_region_get_physical_scale(struct eis_region *region);
 
+/**
+ * @ingroup libeis-region
+ *
+ * @see ei_region_contains
+ */
+bool
+eis_region_contains(struct eis_region *region, double x, double y);
+
 /**
  * @ingroup libeis-device
  *