diff --git a/test/material/components/test_componenttraits.cc b/test/material/components/test_componenttraits.cc
index 976370946ab7416229b73a7f8e724258de2a97c9..41d7bd7665e18d67879f67e5076a0fdb138866ad 100644
--- a/test/material/components/test_componenttraits.cc
+++ b/test/material/components/test_componenttraits.cc
@@ -37,5 +37,6 @@ int main(int argc, char *argv[])
     static_assert(Traits::hasGasState, "Air component is reported to have no gas state?!");
     static_assert(!Traits::hasSolidState, "Air component is reported to implement a solid state?!");
     static_assert(!Traits::hasLiquidState, "Air component is reported to implement a liquid state?!");
+    static_assert(!Traits::isIon, "Air component is reported to be an ion?!");
     static_assert(std::is_same<double, Traits::Scalar>::value, "Scalar type not correctly reported!");
 }