diff --git a/check.js b/check.js
index 09e4766..ae75a2e 100644
--- a/check.js
+++ b/check.js
@@ -1,6 +1,9 @@
 var fs = require('fs');
 
 const disabledForMachine = process.env.npm_package_config_disabled;
+const greetingLogged = process.env.npm_package_config_greeting_logged;
+const optoutLogged = process.env.npm_package_config_optout_logged;
+
 let disabledForProject = false;
 
 if (fs.existsSync("../../../package.json")) {
@@ -12,11 +15,11 @@ if (fs.existsSync("../../../package.json")) {
 
 if (disabledForMachine || disabledForProject) {
   if (disabledForMachine) {
-    console.log(`
+    !optoutLogged && console.log(`
     You have disabled Vaadin development time usage statistics collection. To re-enable, run:
     npm explore @vaadin/vaadin-usage-statistics -- npm run enable
     For more details, see https://github.com/vaadin/vaadin-usage-statistics
-`);
+  `);
   } else {
     console.log(`
     You have disabled Vaadin development time usage statistics collection. To re-enable, remove:
@@ -33,7 +36,7 @@ if (disabledForMachine || disabledForProject) {
     throw err;
   }
 } else {
-  console.log(`
+  !greetingLogged && console.log(`
     Vaadin collects development time usage statistics to improve this product. To opt-out, either run:
     npm explore @vaadin/vaadin-usage-statistics -- npm run disable
     to store disable statistics for the machine, or add
diff --git a/magi-p3-post.json b/magi-p3-post.json
index 945dec3..a334db8 100644
--- a/magi-p3-post.json
+++ b/magi-p3-post.json
@@ -4,6 +4,6 @@
     "\"license\": \"Apache-2.0\","
   ],
   "to": [
-    "\"license\": \"Apache-2.0\",\n\"scripts\": {\n\"postinstall\": \"node check.js\",\n\"disable\": \"npm config set @vaadin/vaadin-usage-statistics:disabled true && npm run postinstall\",\n\"enable\": \"npm config set @vaadin/vaadin-usage-statistics:disabled false && npm run postinstall\"\n},"
+    "\"license\": \"Apache-2.0\",\n\"scripts\": {\n\"postinstall\": \"node check.js && npm config set @vaadin/vaadin-usage-statistics:greeting-logged true\",\n\"disable\": \"npm config set @vaadin/vaadin-usage-statistics:disabled true && npm run postinstall && npm config set @vaadin/vaadin-usage-statistics:optout-logged true\",\n\"enable\": \"npm config set @vaadin/vaadin-usage-statistics:disabled false && npm config set @vaadin/vaadin-usage-statistics:greeting-logged false && npm config set @vaadin/vaadin-usage-statistics:optout-logged false && npm run postinstall\"\n},"
   ]
 }