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-rw-r--r--src/gui/theme.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/theme.cpp b/src/gui/theme.cpp
index 61b45232b..d13f04656 100644
--- a/src/gui/theme.cpp
+++ b/src/gui/theme.cpp
@@ -810,7 +810,7 @@ static gcn::Color readColor(const std::string &description)
int v = 0;
for (int i = 1; i < 7; ++i)
{
- const char c = description[i];
+ signed const char c = description[i];
int n;
if ('0' <= c && c <= '9')