diff --git a/package.json b/package.json
index 12e5b23..761fdc6 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "frog",
     "displayName": "Frog",
     "description": "The Oracle SQL workbench for VSCode",
-    "version": "0.0.19",
+    "version": "0.0.20",
     "publisher": "tmuerell",
     "engines": {
         "vscode": "^1.17.0"
diff --git a/src/sessionmanager.ts b/src/sessionmanager.ts
index 4996ddc..f71b36b 100644
--- a/src/sessionmanager.ts
+++ b/src/sessionmanager.ts
@@ -50,7 +50,7 @@ export class SessionManager {
         if (!this.dbSession) return;
         
         this.dbSession.stdin.end();
-        this.dbSession = null;
+        this.dbSession.kill();
     }
 
     public check() : boolean {