diff --git a/src/raster/r.accumulate/main.c b/src/raster/r.accumulate/main.c
index f234d99ad8..1d416d6e72 100644
--- a/src/raster/r.accumulate/main.c
+++ b/src/raster/r.accumulate/main.c
@@ -64,7 +64,8 @@ int main(int argc, char *argv[])
         *accum_name, *subaccum_name, *subwshed_name, *stream_name, *outlet_name,
         *lfp_name;
     int dir_fd;
-    double dir_format, thresh;
+    unsigned char dir_format;
+    double thresh;
     struct Range dir_range;
     CELL dir_min, dir_max;
     char neg_accum, zero_accum, accum_lfp, conf_stream, recur;
diff --git a/src/raster/r.accumulate/r.accumulate.html b/src/raster/r.accumulate/r.accumulate.html
index 67e992a7b3..33e91e9c77 100644
--- a/src/raster/r.accumulate/r.accumulate.html
+++ b/src/raster/r.accumulate/r.accumulate.html
@@ -288,6 +288,7 @@ <h3>Longest flow path calculation and subwatershed delineation in one run</h3>
 <h2>SEE ALSO</h2>
 
 <em>
+<a href="https://grass.osgeo.org/grass-stable/manuals/addons/r.flowaccumulation.html">r.flowaccumulation</a>,
 <a href="https://grass.osgeo.org/grass-stable/manuals/r.watershed.html">r.watershed</a>,
 <a href="https://grass.osgeo.org/grass-stable/manuals/r.stream.extract.html">r.stream.extract</a>,
 <a href="r.stream.distance.html">r.stream.distance</a>