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-rw-r--r--src/ui/dialog/guides.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ui/dialog/guides.cpp b/src/ui/dialog/guides.cpp
index 088290b6f..ce21f9c6e 100644
--- a/src/ui/dialog/guides.cpp
+++ b/src/ui/dialog/guides.cpp
@@ -71,7 +71,7 @@ void GuidelinePropertiesDialog::showDialog(SPGuide *guide, SPDesktop *desktop) {
void GuidelinePropertiesDialog::_colorChanged()
{
const Gdk::Color c = _color.get_color();
- char r = c.get_red()/257, g = c.get_green()/257, b = c.get_blue()/257;
+ unsigned r = c.get_red()/257, g = c.get_green()/257, b = c.get_blue()/257;
//TODO: why 257? verify this!
sp_guide_set_color(*_guide, r, g, b, true);
}