diff --git a/include/xrpl/protocol/STObject.h b/include/xrpl/protocol/STObject.h
index fbad0facca..8512e1d624 100644
--- a/include/xrpl/protocol/STObject.h
+++ b/include/xrpl/protocol/STObject.h
@@ -244,9 +244,9 @@ public:
     getFieldV256(SField const& field) const;
     STArray const&
     getFieldArray(SField const& field) const;
-    const STObject&
+    STObject const&
     getFieldObject(SField const& field) const;
-    const STCurrency&
+    STCurrency const&
     getFieldCurrency(SField const& field) const;
     STNumber const&
     getFieldNumber(SField const& field) const;
diff --git a/src/libxrpl/protocol/STObject.cpp b/src/libxrpl/protocol/STObject.cpp
index d2c76e4b0f..a5f1737418 100644
--- a/src/libxrpl/protocol/STObject.cpp
+++ b/src/libxrpl/protocol/STObject.cpp
@@ -689,7 +689,7 @@ STObject::getFieldArray(SField const& field) const
     return getFieldByConstRef<STArray>(field, empty);
 }
 
-const STObject&
+STObject const&
 STObject::getFieldObject(SField const& field) const
 {
     static STObject const empty(field);