1 files changed, 3 insertions, 3 deletions
diff --git a/src/dotgraph.h b/src/dotgraph.h
index 5dc03f9..2a77504 100644
--- a/src/dotgraph.h
+++ b/src/dotgraph.h
@@ -43,9 +43,9 @@ class DotGraph
     QCString writeGraph(TextStream &t,
                         GraphOutputFormat gf,
                         EmbeddedOutputFormat ef,
-                        const char *path,
-                        const char *fileName,
-                        const char *relPath,
+                        const QCString &path,
+                        const QCString &fileName,
+                        const QCString &relPath,
                         bool writeImageMap=TRUE,
                         int graphId=-1
                        );