diff --git a/dlls/comctl32/toolbar.c b/dlls/comctl32/toolbar.c
index fb2745f9e99..d991ea11bb8 100644
--- a/dlls/comctl32/toolbar.c
+++ b/dlls/comctl32/toolbar.c
@@ -225,6 +225,7 @@ typedef enum
 #define TBSTYLE_EX_ALL (TBSTYLE_EX_DRAWDDARROWS | \
                         TBSTYLE_EX_UNDOC1 | \
                         TBSTYLE_EX_MIXEDBUTTONS | \
+                        TBSTYLE_EX_DOUBLEBUFFER | \
                         TBSTYLE_EX_HIDECLIPPEDBUTTONS)
 
 /* all of the CCS_ styles */
diff --git a/include/commctrl.h b/include/commctrl.h
index 426d70a6afc..b055bee4533 100644
--- a/include/commctrl.h
+++ b/include/commctrl.h
@@ -1099,7 +1099,7 @@ static const WCHAR TOOLBARCLASSNAMEW[] = { 'T','o','o','l','b','a','r',
 #define TBSTYLE_EX_UNDOC1               0x00000004 /* similar to TBSTYLE_WRAPABLE */
 #define TBSTYLE_EX_MIXEDBUTTONS         0x00000008
 #define TBSTYLE_EX_HIDECLIPPEDBUTTONS   0x00000010 /* don't show partially obscured buttons */
-#define TBSTYLE_EX_DOUBLEBUFFER         0x00000080 /* Double Buffer the toolbar ??? */
+#define TBSTYLE_EX_DOUBLEBUFFER         0x00000080 /* Double Buffer the toolbar */
 
 #define TBIF_IMAGE              0x00000001
 #define TBIF_TEXT               0x00000002