diff --git a/demos/chartviewer/charts/domain/linelogxy.cpp b/demos/chartviewer/charts/domain/linelogxy.cpp
index 157af6d..7dbffc7 100644
--- a/demos/chartviewer/charts/domain/linelogxy.cpp
+++ b/demos/chartviewer/charts/domain/linelogxy.cpp
@@ -48,7 +48,7 @@ public:
         }
 
         QLogValueAxis *axisX= new QLogValueAxis();
-        axisX->setBase(1.2);
+        axisX->setBase(2);
         QValueAxis *axisY= new QValueAxis();
         foreach (QAbstractSeries *series, chart->series()) {
             chart->setAxisX(axisX, series);
diff --git a/demos/chartviewer/charts/domain/scatterlogxlogy.cpp b/demos/chartviewer/charts/domain/scatterlogxlogy.cpp
index 2727315..5b12690 100644
--- a/demos/chartviewer/charts/domain/scatterlogxlogy.cpp
+++ b/demos/chartviewer/charts/domain/scatterlogxlogy.cpp
@@ -47,7 +47,7 @@ public:
         }
 
         QLogValueAxis *axisX= new QLogValueAxis();
-        axisX->setBase(1.2);
+        axisX->setBase(2);
         QLogValueAxis *axisY= new QLogValueAxis();
         axisY->setBase(2);
         foreach (QAbstractSeries *series, chart->series()) {
diff --git a/demos/chartviewer/charts/domain/scatterlogxy.cpp b/demos/chartviewer/charts/domain/scatterlogxy.cpp
index d48e9e2..7fcb9f5 100644
--- a/demos/chartviewer/charts/domain/scatterlogxy.cpp
+++ b/demos/chartviewer/charts/domain/scatterlogxy.cpp
@@ -48,7 +48,7 @@ public:
         }
 
         QLogValueAxis *axisX= new QLogValueAxis();
-        axisX->setBase(1.2);
+        axisX->setBase(2);
         QValueAxis *axisY= new QValueAxis();
         foreach (QAbstractSeries *series, chart->series()) {
             chart->setAxisX(axisX, series);
diff --git a/demos/chartviewer/charts/domain/splinelogxlogy.cpp b/demos/chartviewer/charts/domain/splinelogxlogy.cpp
index a9b156b..8f4b804 100644
--- a/demos/chartviewer/charts/domain/splinelogxlogy.cpp
+++ b/demos/chartviewer/charts/domain/splinelogxlogy.cpp
@@ -47,7 +47,7 @@ public:
         }
 
         QLogValueAxis *axisX= new QLogValueAxis();
-        axisX->setBase(1.2);
+        axisX->setBase(2);
         QLogValueAxis *axisY= new QLogValueAxis();
         axisY->setBase(2);
         foreach (QAbstractSeries *series, chart->series()) {
diff --git a/demos/chartviewer/charts/domain/splinelogxy.cpp b/demos/chartviewer/charts/domain/splinelogxy.cpp
index 1450a3f..6f6a823 100644
--- a/demos/chartviewer/charts/domain/splinelogxy.cpp
+++ b/demos/chartviewer/charts/domain/splinelogxy.cpp
@@ -48,7 +48,7 @@ public:
         }
 
         QLogValueAxis *axisX= new QLogValueAxis();
-        axisX->setBase(1.2);
+        axisX->setBase(2);
         QValueAxis *axisY= new QValueAxis();
         foreach (QAbstractSeries *series, chart->series()) {
             chart->setAxisX(axisX, series);