diff --git a/include/wx/containr.h b/include/wx/containr.h
index b465e33c30..d1a63bdfca 100644
--- a/include/wx/containr.h
+++ b/include/wx/containr.h
@@ -76,8 +76,7 @@ public:
     bool DoSetFocus();
 
     // returns whether we should accept focus ourselves or not
-    bool AcceptsFocus() const
-        { return m_acceptsFocusSelf && m_winParent->CanBeFocused(); }
+    bool AcceptsFocus() const;
 
     // Returns whether we or one of our children accepts focus.
     bool AcceptsFocusRecursively() const
diff --git a/src/common/containr.cpp b/src/common/containr.cpp
index ba1ffd220e..935607efdd 100644
--- a/src/common/containr.cpp
+++ b/src/common/containr.cpp
@@ -153,6 +153,11 @@ bool wxControlContainerBase::DoSetFocus()
     return ret;
 }
 
+bool wxControlContainerBase::AcceptsFocus() const
+{
+    return m_acceptsFocusSelf && m_winParent->CanBeFocused();
+}
+
 bool wxControlContainerBase::SetFocusToChild()
 {
     return wxSetFocusToChild(m_winParent, &m_winLastFocused);