aboutsummaryrefslogtreecommitdiff
path: root/engines/m4
diff options
context:
space:
mode:
Diffstat (limited to 'engines/m4')
-rw-r--r--engines/m4/dialogs.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/engines/m4/dialogs.cpp b/engines/m4/dialogs.cpp
index 390ca711d1..2b2c479673 100644
--- a/engines/m4/dialogs.cpp
+++ b/engines/m4/dialogs.cpp
@@ -265,7 +265,7 @@ void Dialog::setupInputArea() {
*/
bool Dialog::matchCommand(const char *s1, const char *s2) {
bool result = scumm_strnicmp(s1, s2, strlen(s2)) == 0;
- _commandCase = isupper(*s1);
+ _commandCase = isupper(static_cast<unsigned char>(*s1));
return result;
}