diff --git a/src/lib/aqdiagram/graph/axis.t2d b/src/lib/aqdiagram/graph/axis.t2d
index cf9c058..b089cad 100644
--- a/src/lib/aqdiagram/graph/axis.t2d
+++ b/src/lib/aqdiagram/graph/axis.t2d
@@ -22,6 +22,7 @@
         <header type="sys" loc="pre">gwenhywfar/buffer.h</header>
         <header type="sys" loc="pre">gwenhywfar/timestamp.h</header>
         <header type="sys" loc="pre">gwenhywfar/gwendate.h</header>
+        <header type="sys" loc="pre">gwenhywfar/debug.h</header>
         <header type="sys" loc="pre">math.h</header>
       </headers>
 
@@ -72,6 +73,8 @@
                absMaxValue=(v&gt;absMaxValue)?v:absMaxValue;                                  \n
                                                                                               \n
                dbuf=GWEN_Buffer_new(0, 64, 0, 1);                                             \n
+               if (absMaxValue==0.0)                                                          \n
+                 absMaxValue=1.0;                                                             \n
                v=pow(10, floor(log10(absMaxValue)));                                          \n
                                                                                               \n
                startValue=v*10.0;                                                             \n
@@ -80,6 +83,7 @@
                                                                                               \n
                vRun=startValue;                                                               \n
                v/=10.0;                                                                       \n
+               DBG_ERROR(NULL, "vRun=%.2f, v=%.2f, vMin=%.2f, vMax=%.2f", vRun, v, st-&gt;minValue, st-&gt;maxValue); \n
                while(vRun&lt;=(st-&gt;maxValue)) {                                            \n
                  if (vRun&gt;=(st-&gt;minValue)) {                                            \n
                    if (!$(struct_prefix)_HasTickValue(st, vRun)) {                            \n
@@ -93,6 +97,7 @@
                                                                                               \n
                vRun=startValue;                                                               \n
                v/=2.0;                                                                        \n
+               DBG_ERROR(NULL, "vRun=%.2f, v=%.2f, vMin=%.2f, vMax=%.2f", vRun, v, st-&gt;minValue, st-&gt;maxValue); \n
                while(vRun&lt;=(st-&gt;maxValue)) {                                            \n
                  if (vRun&gt;=(st-&gt;minValue)) {                                            \n
                    if (!$(struct_prefix)_HasTickValue(st, vRun)) {                            \n
diff --git a/src/lib/aqdiagram/graph/timegraph.c b/src/lib/aqdiagram/graph/timegraph.c
index 81c2251..6947f53 100644
--- a/src/lib/aqdiagram/graph/timegraph.c
+++ b/src/lib/aqdiagram/graph/timegraph.c
@@ -108,6 +108,33 @@ void AQDG_TimeGraph_SetupTicks(AQDG_GRAPH *g, uint32_t flags, double minY, doubl
   /* create ticks for Y axis */
   axis=AQDG_Graph_GetAxisByIndex(g, AQDG_GRAPH_AXISPOS_LEFT);
   if (axis) {
+    double vMax;
+    double vMin;
+    double vDiff;
+
+    vMin=AQDG_Graph_Axis_GetMinValue(axis);
+    vMax=AQDG_Graph_Axis_GetMaxValue(axis);
+    vDiff=vMax-vMin;
+    DBG_ERROR(NULL, "old vMin=%.2f, vMax=%.2f", vMin, vMax);
+
+    if (vDiff==0.0) {
+      DBG_ERROR(NULL, "min = max = %.2f", vMax);
+      vDiff=vMax;
+      if (vDiff==0.0)
+	vDiff=1.0;
+    }
+    if (vDiff>0.0) {
+      double vDiffBy10;
+
+      DBG_ERROR(NULL, "Setting vmin and vmax");
+      vDiffBy10=vDiff/10.0;
+      vMin-=vDiffBy10;
+      vMax+=vDiffBy10;
+      DBG_ERROR(NULL, "new vMin=%.2f, vMax=%.2f", vMin, vMax);
+      AQDG_Graph_Axis_SetMinValue(axis, vMin);
+      AQDG_Graph_Axis_SetMaxValue(axis, vMax);
+    }
+
     if (flags & AQDG_TIMEGRAPH_SETUPTICKS_FLAGS_MINY)
       AQDG_Graph_Axis_SetMinValue(axis, minY);
     if (flags & AQDG_TIMEGRAPH_SETUPTICKS_FLAGS_MAXY)
diff --git a/src/lib/aqdiagram/graph/w_graph.c b/src/lib/aqdiagram/graph/w_graph.c
index 0ede3c7..b27fed8 100644
--- a/src/lib/aqdiagram/graph/w_graph.c
+++ b/src/lib/aqdiagram/graph/w_graph.c
@@ -506,8 +506,8 @@ void AQDG_GraphWidget_SetupDefaultPens(AQDG_OBJECT *o)
 
     MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_TITLE,              AQDG_GRAPHWIDGET_COL_BLACK,      2, AQDG_Dash_None);
     MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_SUBTITLE,           AQDG_GRAPHWIDGET_COL_BLACK,      1, AQDG_Dash_None);
-    MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_AXISLINE,           AQDG_GRAPHWIDGET_COL_BLACK,      1, AQDG_Dash_None);
-    MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_AXISLABEL,          AQDG_GRAPHWIDGET_COL_BLACK,      1, AQDG_Dash_None);
+    MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_AXISLINE,           AQDG_GRAPHWIDGET_COL_GRAY,       1, AQDG_Dash_None);
+    MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_AXISLABEL,          AQDG_GRAPHWIDGET_COL_GRAY,       1, AQDG_Dash_None);
     MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_TICKLABELMAINLEVEL, AQDG_GRAPHWIDGET_COL_BLACK,      1, AQDG_Dash_None);
     MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_TICKLABELSUBLEVEL,  AQDG_GRAPHWIDGET_COL_BLACK,      1, AQDG_Dash_None);
     MKPEN(AQDG_GRAPHWIDGET_PEN_IDX_TICKMAINLEVEL,      AQDG_GRAPHWIDGET_COL_BLACK,      1, AQDG_Dash_None);
@@ -549,7 +549,7 @@ void AQDG_GraphWidget_SetupDefaultFonts(AQDG_OBJECT *o)
     MKNORMALFONT(AQDG_GRAPHWIDGET_FONT_IDX_AXISLABEL, 12);
     MKNORMALFONT(AQDG_GRAPHWIDGET_FONT_IDX_TICKLABELMAINLEVEL, 12);
     MKNORMALFONT(AQDG_GRAPHWIDGET_FONT_IDX_TICKLABELSUBLEVEL, 10);
-    MKNORMALFONT(AQDG_GRAPHWIDGET_FONT_IDX_LEGEND, 10);
+    MKNORMALFONT(AQDG_GRAPHWIDGET_FONT_IDX_LEGEND, 11);
 
 #undef MKNORMALFONT
   }