1 files changed, 19 insertions, 7 deletions
diff --git a/src/select/properties/background_position.c b/src/select/properties/background_position.c
index 1d959d0..f3fe47c 100644
--- a/src/select/properties/background_position.c
+++ b/src/select/properties/background_position.c
@@ -96,6 +96,22 @@ css_error css__initial_background_position(css_select_state *state)
 			0, CSS_UNIT_PCT, 0, CSS_UNIT_PCT);
 }
 
+css_error css__copy_background_position(
+		const css_computed_style *from,
+		css_computed_style *to)
+{
+	css_fixed hlength = 0, vlength = 0;
+	css_unit hunit = CSS_UNIT_PX, vunit = CSS_UNIT_PX;
+	uint8_t type = get_background_position(from, &hlength, &hunit,
+			&vlength, &vunit);
+
+	if (from == to) {
+		return CSS_OK;
+	}
+
+	return set_background_position(to, type, hlength, hunit, vlength, vunit);
+}
+
 css_error css__compose_background_position(const css_computed_style *parent,
 		const css_computed_style *child,
 		css_computed_style *result)
@@ -105,12 +121,8 @@ css_error css__compose_background_position(const css_computed_style *parent,
 	uint8_t type = get_background_position(child, &hlength, &hunit,
 			&vlength, &vunit);
 
-	if (type == CSS_BACKGROUND_POSITION_INHERIT) {
-		type = get_background_position(parent,
-				&hlength, &hunit, &vlength, &vunit);
-	}
-
-	return set_background_position(result, type, hlength, hunit,
-				vlength, vunit);
+	return css__copy_background_position(
+			type == CSS_BACKGROUND_POSITION_INHERIT ? parent : child,
+			result);
 }