diff --git a/dbus/dbuswrite.cpp b/dbus/dbuswrite.cpp
index fab9b4a..dff11d6 100644
--- a/dbus/dbuswrite.cpp
+++ b/dbus/dbuswrite.cpp
@@ -61,12 +61,12 @@
 
 void DbusWritePercent::write(double value)
 {
-    float minimum = getMin();
-    float maximum = getMax();
+    double minimum = getMin();
+    double maximum = getMax();
 
-    float range = maximum - minimum;
-    float offset = range * value;
-    float ovalue = offset + minimum;
+    double range = maximum - minimum;
+    double offset = range * value;
+    double ovalue = offset + minimum;
 
     if (oldValue == static_cast<int64_t>(ovalue))
     {