1 files changed, 2 insertions, 1 deletions
diff --git a/backend/RNG.cpp b/backend/RNG.cpp
index bc3e57b..2d7895b 100644
--- a/backend/RNG.cpp
+++ b/backend/RNG.cpp
@@ -14,7 +14,8 @@ int RNG::rand_int(const int upper) {
 	return this->rand_int(0, upper);
 }
 int RNG::rand_int(const int lower, const int upper) {
-	uniform_int_distribution<int> random_dist(lower, upper);
+	// NOTE: random_dist's upper limit is inclusive
+	uniform_int_distribution<int> random_dist(lower, upper - 1);
 	return random_dist(rng);
 }