diff --git a/src/main/org/insa/graph/io/BinaryPathReader.java b/src/main/org/insa/graph/io/BinaryPathReader.java
index 71c66f0..91e7478 100644
--- a/src/main/org/insa/graph/io/BinaryPathReader.java
+++ b/src/main/org/insa/graph/io/BinaryPathReader.java
@@ -54,6 +54,8 @@ public class BinaryPathReader extends BinaryReader implements PathReader {
             nodes.add(readNode(graph));
         }
 
+        this.dis.close();
+
         return Path.createFastestPathFromNodes(graph, nodes);
     }
 
diff --git a/src/main/org/insa/graph/io/BinaryPathWriter.java b/src/main/org/insa/graph/io/BinaryPathWriter.java
index 222d0b5..8883afc 100644
--- a/src/main/org/insa/graph/io/BinaryPathWriter.java
+++ b/src/main/org/insa/graph/io/BinaryPathWriter.java
@@ -48,6 +48,7 @@ public class BinaryPathWriter extends BinaryWriter implements PathWriter {
         }
 
         dos.flush();
+        dos.close();
     }
 
 }