diff --git a/heo-core/src/main/java/dev/heowc/heo/core/analysis/domain/DomainGraph.java b/heo-core/src/main/java/dev/heowc/heo/core/analysis/domain/DomainGraph.java
index d6d9185..199ef08 100644
--- a/heo-core/src/main/java/dev/heowc/heo/core/analysis/domain/DomainGraph.java
+++ b/heo-core/src/main/java/dev/heowc/heo/core/analysis/domain/DomainGraph.java
@@ -16,7 +16,7 @@ public void addVertex(Map<String, Set<String>> packages) {
 
     public void addEdge(Map<String, Set<String>> packages) {
         packages.forEach((target, sources) -> {
-            sources.forEach(source -> addEdge(target, source, new DomainEdge(target, source)));
+            sources.forEach(source -> addEdge(source, target, new DomainEdge(target, source)));
         });
     }
 }