diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f9b4e11..9b86824e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+- Fixed toolbar button focusing an existing session tab instead of opening a new one when all open tabs have active sessions
+
 # 0.21.54 (2026-04-22)
 
 - Fixed prompt area being collapsible to zero height by dragging the divider
diff --git a/pom.xml b/pom.xml
index 35fe8506..c7d51f4a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>io.github.nbclaudecodegui</groupId>
     <artifactId>netbeans-claude-code-gui</artifactId>
-    <version>0.21.57-SNAPSHOT</version>
+    <version>0.21.58-SNAPSHOT</version>
     <packaging>nbm</packaging>
     <name>Netbeans Claude Code GUI</name>
     <description>NetBeans plugin that provides a GUI for Claude Code CLI — run claude code sessions directly inside the IDE.</description>
diff --git a/src/main/java/io/github/nbclaudecodegui/ui/ClaudeSessionTab.java b/src/main/java/io/github/nbclaudecodegui/ui/ClaudeSessionTab.java
index 2d2d7a49..e4fc3c3f 100644
--- a/src/main/java/io/github/nbclaudecodegui/ui/ClaudeSessionTab.java
+++ b/src/main/java/io/github/nbclaudecodegui/ui/ClaudeSessionTab.java
@@ -604,7 +604,6 @@ public void autoStart(File dir, String profileName, String extraCliArgs,
         selectorPanel.setProfile(profileName);
         selectorPanel.preselectForDirectory(dir);
         selectorPanel.setExtraCliArgs(extraCliArgs);
-        selectorPanel.lock();
         startSession(dir, profileName, extraCliArgs != null ? extraCliArgs : "",
                 mode != null ? mode : SessionMode.NEW, resumeSessionId);
     }
@@ -651,7 +650,6 @@ public String getSelectedProfileName() {
     /** Fired by the selector panel when the user confirms a valid directory. */
     private void onDirectoryOpened(File dir, String profileName, String extraCliArgs,
                                    SessionMode mode, String resumeSessionId) {
-        selectorPanel.lock();
         startSession(dir, profileName, extraCliArgs, mode, resumeSessionId);
     }
 
@@ -661,6 +659,7 @@ private void startSession(File dir, String profileName, String extraCliArgs) {
 
     private void startSession(File dir, String profileName, String extraCliArgs,
                                SessionMode mode, String resumeSessionId) {
+        selectorPanel.lock();
         this.activeResumeSessionId = resumeSessionId;
         Path configDir = null;
         if (!ClaudeProfile.DEFAULT_NAME.equals(profileName)) {