diff --git a/compliance b/compliance
index ffa8a5a..304b287 160000
--- a/compliance
+++ b/compliance
@@ -1 +1 @@
-Subproject commit ffa8a5ac6eb73c4297ff7d997ac5786ee4309d59
+Subproject commit 304b287a9537673227c2e300a34ff8e4757579c5
diff --git a/pkg/interpreter/interpreter.go b/pkg/interpreter/interpreter.go
index 5f15aa0..4d9090c 100644
--- a/pkg/interpreter/interpreter.go
+++ b/pkg/interpreter/interpreter.go
@@ -374,7 +374,13 @@ func (intr *treeInterpreter) execute(node parsing.ASTNode, value any, functionCa
 			}
 			stringType, ok := left.(string)
 			if allowString && ok {
-				return stringType, nil
+				// a projection is really a sub-expression in disguise
+				// we must evaluate the right hand expression
+				result, err := intr.Execute(node.Children[1], stringType)
+				if err != nil {
+					return nil, err
+				}
+				return result, nil
 			}
 			return nil, nil
 		}