diff --git a/state_machine_exporter/src/main/java/click/kamil/springstatemachineexporter/analysis/service/ConstantExtractor.java b/state_machine_exporter/src/main/java/click/kamil/springstatemachineexporter/analysis/service/ConstantExtractor.java
index cde5ea5..a23eb72 100644
--- a/state_machine_exporter/src/main/java/click/kamil/springstatemachineexporter/analysis/service/ConstantExtractor.java
+++ b/state_machine_exporter/src/main/java/click/kamil/springstatemachineexporter/analysis/service/ConstantExtractor.java
@@ -30,6 +30,14 @@ public class ConstantExtractor {
     }
 
     public void extractConstantsFromExpression(Expression expr, List<String> constants) {
+        if (constantResolver != null) {
+            String resolved = constantResolver.resolve(expr, context);
+            if (resolved != null) {
+                constants.add(resolved);
+                return;
+            }
+        }
+
         if (expr instanceof QualifiedName qn) {
             constants.add(qn.toString());
         } else if (expr instanceof StringLiteral sl) {