diff --git a/main.qml b/main.qml
index b481985c..61a20d0e 100644
--- a/main.qml
+++ b/main.qml
@@ -76,6 +76,7 @@ ApplicationWindow {
     readonly property string localDaemonAddress : persistentSettings.nettype == NetworkType.MAINNET ? "localhost:18081" : persistentSettings.nettype == NetworkType.TESTNET ? "localhost:28081" : "localhost:38081"
     property string currentDaemonAddress;
     property bool startLocalNodeCancelled: false
+    property int estimatedBlockchainSize: 50 // GB
 
     // true if wallet ever synchronized
     property bool walletInitialized : false
@@ -1150,9 +1151,9 @@ ApplicationWindow {
                 if(validator.readOnly)
                     confirmationDialog.text  += qsTr("Error: Filesystem is read only") + "\n\n"
                 if(validator.storageAvailable < 20)
-                    confirmationDialog.text  += qsTr("Warning: There's only %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(30) + "\n\n"
+                    confirmationDialog.text  += qsTr("Warning: There's only %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(estimatedBlockchainSize) + "\n\n"
                 else
-                    confirmationDialog.text  += qsTr("Note: There's %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(30) + "\n\n"
+                    confirmationDialog.text  += qsTr("Note: There's %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(estimatedBlockchainSize) + "\n\n"
                 if(!validator.lmdbExists)
                     confirmationDialog.text  += qsTr("Note: lmdb folder not found. A new folder will be created.") + "\n\n"
 
diff --git a/pages/Settings.qml b/pages/Settings.qml
index aa7bf4eb..553ec9d6 100644
--- a/pages/Settings.qml
+++ b/pages/Settings.qml
@@ -748,10 +748,10 @@ Rectangle {
                     confirmationDialog.text  += qsTr("Error: Filesystem is read only") + "\n\n"                  
                 }
                 
-                if(validator.storageAvailable < 20) {
-                    confirmationDialog.text  += qsTr("Warning: There's only %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(15) + "\n\n"     
+                if(validator.storageAvailable < estimatedBlockchainSize) {
+                    confirmationDialog.text  += qsTr("Warning: There's only %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(estimatedBlockchainSize) + "\n\n"     
                 } else {
-                    confirmationDialog.text  += qsTr("Note: There's %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(15) + "\n\n"
+                    confirmationDialog.text  += qsTr("Note: There's %1 GB available on the device. Blockchain requires ~%2 GB of data.").arg(validator.storageAvailable).arg(estimatedBlockchainSize) + "\n\n"
                 }
                 
                 if(!validator.lmdbExists) {