diff --git a/test/NumericalDiff/GradientMultiArg.C b/test/NumericalDiff/GradientMultiArg.C
index 48f12defd..74fd78a9d 100644
--- a/test/NumericalDiff/GradientMultiArg.C
+++ b/test/NumericalDiff/GradientMultiArg.C
@@ -4,6 +4,7 @@
 // RUN: ./GradientMultiArg.out | FileCheck -check-prefix=CHECK-EXEC %s
 
 //CHECK-NOT: {{.*error|warning|note:.*}}
+//XFAIL: asserts
 
 #include "clad/Differentiator/Differentiator.h"
 
diff --git a/test/NumericalDiff/NumDiff.C b/test/NumericalDiff/NumDiff.C
index d392f316e..c65ff8a39 100644
--- a/test/NumericalDiff/NumDiff.C
+++ b/test/NumericalDiff/NumDiff.C
@@ -3,7 +3,7 @@
 // RUN: %cladnumdiffclang -Xclang -plugin-arg-clad -Xclang -enable-tbr %s -I%S/../../include -oNumDiff.out
 // RUN: ./NumDiff.out | FileCheck -check-prefix=CHECK-EXEC %s
 //CHECK-NOT: {{.*error|warning|note:.*}}
-
+//XFAIL: asserts
 #include "clad/Differentiator/Differentiator.h"
 
 double test_1(double x){