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-rw-r--r--git-gui/lib/diff.tcl2
1 files changed, 1 insertions, 1 deletions
diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl
index 7e715a6865..29436b50cb 100644
--- a/git-gui/lib/diff.tcl
+++ b/git-gui/lib/diff.tcl
@@ -145,7 +145,7 @@ proc show_diff {path w {lno {}}} {
lappend cmd -p
lappend cmd --no-color
- if {$repo_config(gui.diffcontext) > 0} {
+ if {$repo_config(gui.diffcontext) >= 0} {
lappend cmd "-U$repo_config(gui.diffcontext)"
}
if {$w eq $ui_index} {