diff --git a/cpp/switchchain_exponent.cpp b/cpp/switchchain_exponent.cpp
index 3691b4160f717fec9bbb4e5eb43df71cafdddd5a..6fb4008b77b8cb97317f0865816607dd477221df 100644
--- a/cpp/switchchain_exponent.cpp
+++ b/cpp/switchchain_exponent.cpp
@@ -125,7 +125,7 @@ int main() {
                 std::cout << "Running n = " << numVertices << ", tau = " << tau
                           << ". \t" << std::flush;
 
-                int mixingTime = (32.0f - 26.0f*(tau - 2.0f)) * numVertices; //40000;
+                int mixingTime = 8*(32.0f - 26.0f*(tau - 2.0f)) * numVertices; //40000;
                 constexpr int measurements = 50;
                 constexpr int measureSkip =
                     200; // Take a sample every ... steps