1 files changed, 2 insertions, 1 deletions
diff --git a/memview.h b/memview.h
index 2a73ec4..47aab27 100644
--- a/memview.h
+++ b/memview.h
@@ -23,6 +23,7 @@ void destroy_viewer(struct viewer *v);
 
 bool render_pages(struct viewer *v,
 		int x, int y, int width, int height, double scale, bool refresh);
-void pencil(struct viewer *v, int x1, int y1, int x2, int y2, bool bit);
+void pencil(struct viewer *v,
+		double x1, double y1, double x2, double y2, bool bit);
 
 #endif