diff --git a/blocks/leaphy_common.js b/blocks/leaphy_common.js
index e97e5ee..f032f99 100644
--- a/blocks/leaphy_common.js
+++ b/blocks/leaphy_common.js
@@ -433,7 +433,7 @@ function getBlocks(board) {
     },
     {
       type: "leaphy_gas_sensor",
-      message0: "Choose gas: %1",
+      message0: "%%{BKY_LEAPHY_CHOOSE_GAS}: %1",
       args0: [
         {
           type: "field_dropdown",
diff --git a/msg/js/en.js b/msg/js/en.js
index 57c8c90..24910bf 100644
--- a/msg/js/en.js
+++ b/msg/js/en.js
@@ -98,6 +98,7 @@ Blockly.Msg["LEAPHY_BUZZ_MS"] = "ms";
 Blockly.Msg["LEAPHY_CLICK_CATEGORY"] = "Leaphy Click";
 Blockly.Msg["LEAPHY_COMPASS"] = "Read compass";
 Blockly.Msg["LEAPHY_DIGITAL_READ"] = "Read digipin";
+Blockly.Msg["LEAPHY_CHOOSE_GAS"] = "Choose gas: ";
 Blockly.Msg["LEAPHY_DISPLAY_CLEAR"] = "Clear display";
 Blockly.Msg["LEAPHY_DISPLAY_DISPLAY"] = "Show on display";
 Blockly.Msg["LEAPHY_DISPLAY_PRINT"] = "Display - Set Ln.";