diff --git a/src/msw/tbar95.cpp b/src/msw/tbar95.cpp
index 9fd39ade69..5716e1a76f 100644
--- a/src/msw/tbar95.cpp
+++ b/src/msw/tbar95.cpp
@@ -1197,7 +1197,7 @@ bool wxToolBar::HandleSize(WXWPARAM wParam, WXLPARAM lParam)
                 // FIXME: 6 is hardcoded separator line height...
                 //h += 6;
                 if (HasFlag(wxTB_NODIVIDER))
-                    h += 3;
+                    h += 4;
                 else
                     h += 6;
                 h *= m_maxRows;