diff --git a/src/lib/libint/tests/fortran/test-eri.cc b/src/lib/libint/tests/fortran/test-eri.cc
index 0fa977841..dedcf5395 100644
--- a/src/lib/libint/tests/fortran/test-eri.cc
+++ b/src/lib/libint/tests/fortran/test-eri.cc
@@ -480,7 +480,7 @@ bool test_eri_c_f(int &contrdepth, int &am1, double *c1, double *alpha1, double
 
 TEST_CASE("Fortran ERI", "[eri]") {
 
-  const double threshold = std::numeric_limits<double>::epsilon() * 10;
+  const double threshold = std::numeric_limits<double>::epsilon() * 20;
 
   int am1 = std::min(1, LIBINT2_MAX_AM_eri);
   int am2 = std::min(0, LIBINT2_MAX_AM_eri);