diff --git a/ex-1/landau.c b/ex-1/landau.c
index bef2c46..1098af3 100644
--- a/ex-1/landau.c
+++ b/ex-1/landau.c
@@ -32,8 +32,9 @@ double landau_cdf(double x, void* params) {
   gsl_integration_workspace* w =
     gsl_integration_workspace_alloc(iter);
 
-  // clip values too small
-  if (x < -200) x = -200;
+  // clip values too small or large values
+  if (x < -200)   x = -200;
+  if (x > 100000) x = 100000;
 
   // We integrate the pdf in [x, +∞) instead
   // of (-∞, x] to avoid a singularity and