diff --git a/runelite-client/src/main/java/net/runelite/client/RuneLite.java b/runelite-client/src/main/java/net/runelite/client/RuneLite.java
index 8b61f25cf9..d69e22c984 100644
--- a/runelite-client/src/main/java/net/runelite/client/RuneLite.java
+++ b/runelite-client/src/main/java/net/runelite/client/RuneLite.java
@@ -171,6 +171,8 @@ public class RuneLite
 			return;
 		}
 
+		SESSION_FILE.getParentFile().mkdirs();
+
 		try (FileWriter fw = new FileWriter(SESSION_FILE))
 		{
 			new Gson().toJson(accountSession, fw);