diff --git a/addon/lib/rmupdate.tcl b/addon/lib/rmupdate.tcl
index 1e94538..a7d5b0d 100644
--- a/addon/lib/rmupdate.tcl
+++ b/addon/lib/rmupdate.tcl
@@ -1016,7 +1016,7 @@ proc ::rmupdate::get_current_firmware_version {} {
 	}
 	set data [read $fp]
 	close $fp
-	regexp {\s*VERSION\s*=s*([\d\.]+)\s*$} $data match current_version
+	regexp {\s*VERSION\s*=\s*([\d\.]+)\s*$} $data match current_version
 	return $current_version
 }