X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_graph.c;h=ecf19fd31f2d579a8e59792ae6bb47716170749b;hb=437147eb1ef8f161b31d234ffb0ef5db9c463678;hp=cd5bdfc16f05050a807b5cd22bb12a8c567e8814;hpb=789633106f37f5c2b5d688556acf42fc3c2a35dd;p=rrdtool.git

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index cd5bdfc..ecf19fd 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -1062,8 +1062,9 @@ data_proc( image_desc_t *im ){
 			** relevant for min and max
 			*/
 			if (finite(paintval) && im->gdes[ii].gf != GF_TICK ) {
-			    if (isnan(minval) || paintval <  minval)
-				minval = paintval;
+			    if ((isnan(minval) || paintval <  minval ) &&
+			      ! (im->logarithmic && paintval <= 0.0)) 
+					minval = paintval;
 			    if (isnan(maxval) || paintval >  maxval)
 				maxval = paintval;
 			}