diff --git a/src/interface/state_descriptor.hpp b/src/interface/state_descriptor.hpp
index b4ef1a5892a8..8f8898170f76 100644
--- a/src/interface/state_descriptor.hpp
+++ b/src/interface/state_descriptor.hpp
@@ -204,8 +204,9 @@ class StateDescriptor {
   std::vector<std::string> Swarms() noexcept;
 
   const auto GetFieldVarID(const VarID &id) const {
-    PARTHENON_REQUIRE_THROWS(metadataMap_.count(id),
-                             "Asking for a variable that is not in this StateDescriptor.");
+    PARTHENON_REQUIRE_THROWS(
+        metadataMap_.count(id),
+        "Asking for a variable that is not in this StateDescriptor.");
     return id;
   }