diff --git a/src/serializers/SvgSerializer.cpp b/src/serializers/SvgSerializer.cpp
index 79101dfb67..552dd3eb2c 100644
--- a/src/serializers/SvgSerializer.cpp
+++ b/src/serializers/SvgSerializer.cpp
@@ -1968,8 +1968,8 @@ void SvgSerializer::write(const geometry_data& data) {
 			}
 		}
 
-		if (!annotation.IsNull()) {
-			write(*po(), annotation);
+		if (po_ != nullptr && !annotation.IsNull()) {
+			write(*po_, annotation);
 		}
 	}