diff --git a/code/simulations/simulations_NA_robustness.R b/code/simulations/simulations_NA_robustness.R
index 6d3f4e0..de37592 100644
--- a/code/simulations/simulations_NA_robustness.R
+++ b/code/simulations/simulations_NA_robustness.R
@@ -43,8 +43,8 @@ eps <- 0.05
 M <- 2
 
 # Defining parameters
-nr1 <- 40
-nc1 <- 40
+nr1 <- 20L
+nc1 <- 20L
 nr2 <- 120
 nc2 <- 120
 pir <- c(0.5, 0.3, 0.2)