diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs
index fc25849b2d602..d7410074b0da8 100644
--- a/compiler/rustc_target/src/target_features.rs
+++ b/compiler/rustc_target/src/target_features.rs
@@ -606,6 +606,7 @@ const MIPS_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
     // tidy-alphabetical-start
     ("fp64", Unstable(sym::mips_target_feature), &[]),
     ("msa", Unstable(sym::mips_target_feature), &[]),
+    ("nan2008", Unstable(sym::mips_target_feature), &[]),
     ("virt", Unstable(sym::mips_target_feature), &[]),
     // tidy-alphabetical-end
 ];
diff --git a/tests/ui/check-cfg/target_feature.stderr b/tests/ui/check-cfg/target_feature.stderr
index eca0813e6a286..7031f2875be69 100644
--- a/tests/ui/check-cfg/target_feature.stderr
+++ b/tests/ui/check-cfg/target_feature.stderr
@@ -225,6 +225,7 @@ LL |     cfg!(target_feature = "_UNEXPECTED_VALUE");
 `mutable-globals`
 `mve`
 `mve.fp`
+`nan2008`
 `neon`
 `nnp-assist`
 `nontrapping-fptoint`