https://github.com/OpenCPN/OpenCPN/issues/2163

diff --git a/OpenCPN/plugins/dashboard_pi/src/dashboard_pi.cpp b/OpenCPN/plugins/dashboard_pi/src/dashboard_pi.cpp

index e8504c2..8fd4b37 100644

--- a/OpenCPN/plugins/dashboard_pi/src/dashboard_pi.cpp

+++ b/OpenCPN/plugins/dashboard_pi/src/dashboard_pi.cpp

@@ -529,7 +529,7 @@ bool dashboard_pi::DeInit( void )

 }

 double GetJsonDouble(wxJSONValue &value) {

-    double d_ret;

+    double d_ret = 0;

     if (value.IsDouble()) {

         return d_ret = value.AsDouble();

     }

@@ -537,6 +537,7 @@ double GetJsonDouble(wxJSONValue &value) {

         int i_ret = value.AsInt();

         return d_ret = i_ret;

     }

+    return d_ret;

 }

 void dashboard_pi::Notify()