diff --git a/functions.cpp b/functions.cpp
index db7f529..98d8845 100644
--- a/functions.cpp
+++ b/functions.cpp
@@ -367,6 +367,12 @@
         }
     }
 
+    // Delete the last comma of the bios attribute string
+    if (biosAttrStr.back() == ',')
+    {
+        return biosAttrStr.substr(0, biosAttrStr.length() - 1);
+    }
+
     return biosAttrStr;
 }