1 files changed, 1 insertions, 1 deletions

diff --git a/src/xdisp.c b/src/xdisp.c
index 6cac4bc13f5..3c6541d6493 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -7603,7 +7603,7 @@ build_desired_tool_bar_string (f)
       plist = Fcopy_sequence (XCDR (image));
 
       /* Compute margin and relief to draw.  */
-      relief = (tool_bar_button_relief > 0
+      relief = (tool_bar_button_relief >= 0
                 ? tool_bar_button_relief
                 : DEFAULT_TOOL_BAR_BUTTON_RELIEF);
       hmargin = vmargin = relief;