diff --git a/common/core/web/keyboard-processor/src/keyboards/activeLayout.ts b/common/core/web/keyboard-processor/src/keyboards/activeLayout.ts
index 84e06f82c18..ae8d65cafb1 100644
--- a/common/core/web/keyboard-processor/src/keyboards/activeLayout.ts
+++ b/common/core/web/keyboard-processor/src/keyboards/activeLayout.ts
@@ -32,6 +32,8 @@ namespace com.keyman.keyboards {
     proportionalX: number;
     proportionalWidth: number;
 
+    sk?: ActiveKey[];
+
     // Keeping things simple here, as this was added LATE in 14.0 beta.
     // Could definitely extend in the future to instead return an object
     // that denotes the 'nature' of the key.
@@ -219,6 +221,18 @@ namespace com.keyman.keyboards {
 
       return Lkc;
     }
+
+    public getSubkey(id: string): ActiveKey {
+      if(this.sk) {
+        for(let key of this.sk) {
+          if(key.id == id) {
+            return key;
+          }
+        }
+      }
+
+      return null;
+    }
   }
 
   class ActiveRow implements LayoutRow {
@@ -570,7 +584,13 @@ namespace com.keyman.keyboards {
         keyId = keyId.replace(this.id + '-', '');
       }
 
-      return this.keyMap[keyId];
+      let idComponents = keyId.split('::');
+      if(idComponents.length > 1) {
+        let baseKey = this.keyMap[idComponents[0]];
+        return baseKey.getSubkey(idComponents[1]);
+      } else {
+        return this.keyMap[keyId];
+      }
     }
   }
 
diff --git a/web/source/osk/visualKeyboard.ts b/web/source/osk/visualKeyboard.ts
index b86ffe745cf..3870e441d2d 100644
--- a/web/source/osk/visualKeyboard.ts
+++ b/web/source/osk/visualKeyboard.ts
@@ -1090,6 +1090,9 @@ namespace com.keyman.osk {
         if(popupKeyID == baseKeyID) {
           baseKeyMass += popupKeyMass;
           popupKeyMass = 0;
+        } else {
+          // We namespace it so that lookup operations know to find it via its base key.
+          popupKeyID = `${baseKeyID}::${popupKeyID}`;
         }
 
         // Compute the normalization factor