diff --git a/src/plugins/git/branchadddialog.cpp b/src/plugins/git/branchadddialog.cpp
index 1153565fb28..78c12091ff8 100644
--- a/src/plugins/git/branchadddialog.cpp
+++ b/src/plugins/git/branchadddialog.cpp
@@ -70,11 +70,7 @@ public:
     {
         Q_UNUSED(pos)
 
-        // NoGos
-
-        if (input.contains(m_invalidChars))
-            return Invalid;
-
+        input.replace(m_invalidChars, QLatin1String("_"));
 
         // "Intermediate" patterns, may change to Acceptable when user edits further: