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-rw-r--r--src/lib-config/parse.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib-config/parse.c b/src/lib-config/parse.c
index a97c6b09..02eb4255 100644
--- a/src/lib-config/parse.c
+++ b/src/lib-config/parse.c
@@ -32,7 +32,7 @@ static unsigned int g_istr_hash(gconstpointer v)
unsigned int h = 0, g;
while (*s != '\0') {
- h = (h << 4) + toupper(*s);
+ h = (h << 4) + i_toupper(*s);
if ((g = h & 0xf0000000UL)) {
h = h ^ (g >> 24);
h = h ^ g;