diff --git a/example/asio-example.cpp b/example/asio-example.cpp
index f113dd3..a83ffea 100644
--- a/example/asio-example.cpp
+++ b/example/asio-example.cpp
@@ -219,17 +219,17 @@
                              [](const int& req, int& propertyValue) {
                                  if (req >= 50)
                                  {
-                                     return -EINVAL;
+                                     return false;
                                  }
                                  propertyValue = req;
-                                 return 1; // success
+                                 return true;
                              });
     iface->register_property(
         "TrailTime", std::string("foo"),
         // custom set
         [](const std::string& req, std::string& propertyValue) {
             propertyValue = req;
-            return 1; // success
+            return true;
         },
         // custom get
         [](const std::string& property) {
diff --git a/example/get-all-properties.cpp b/example/get-all-properties.cpp
index 8b01258..2f1e908 100644
--- a/example/get-all-properties.cpp
+++ b/example/get-all-properties.cpp
@@ -33,7 +33,7 @@
             propertyGoodbyesName, sdbusplus::vtable::property_::emits_change,
             [this](const auto& newPropertyValue, const auto&) {
                 goodbyes_ = newPropertyValue;
-                return 1;
+                return true;
             },
             [this](const auto&) { return goodbyes_; });
 
diff --git a/example/register-property.cpp b/example/register-property.cpp
index 339c0ce..2c3e362 100644
--- a/example/register-property.cpp
+++ b/example/register-property.cpp
@@ -32,7 +32,7 @@
                     sdbusplus::vtable::property_::emits_change,
                     [this](const auto& newPropertyValue, const auto&) {
                         goodbyes_ = newPropertyValue;
-                        return 1;
+                        return true;
                     },
                     [this](const auto&) { return goodbyes_; });
             });