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-rw-r--r--engines/sword25/util/lua/liolib.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/engines/sword25/util/lua/liolib.cpp b/engines/sword25/util/lua/liolib.cpp
index 403dea2ec2..20d716498f 100644
--- a/engines/sword25/util/lua/liolib.cpp
+++ b/engines/sword25/util/lua/liolib.cpp
@@ -440,7 +440,7 @@ static int g_write (lua_State *L, Sword25::Sword25FileProxy *f, int arg) {
if (lua_type(L, arg) == LUA_TNUMBER) {
// optimization: could be done exactly as for strings
if (status) {
- char buffer[20];
+ char buffer[22];
sprintf(buffer, LUA_NUMBER_FMT, lua_tonumber(L, arg));
status = f->write(buffer, strlen(buffer)) == strlen(buffer);
}