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-rw-r--r--engines/parallaction/parser_ns.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/engines/parallaction/parser_ns.cpp b/engines/parallaction/parser_ns.cpp
index 213f0ae191..100b608172 100644
--- a/engines/parallaction/parser_ns.cpp
+++ b/engines/parallaction/parser_ns.cpp
@@ -534,7 +534,7 @@ DECLARE_INSTRUCTION_PARSER(endscript) {
void ProgramParser_ns::parseRValue(ScriptVar &v, const char *str) {
- if (isdigit(str[0]) || str[0] == '-') {
+ if (isdigit(static_cast<unsigned char>(str[0])) || str[0] == '-') {
v.setImmediate(atoi(str));
return;
}