diff --git a/src/main/kotlin/app/termora/NativeMacLibrary.kt b/src/main/kotlin/app/termora/NativeMacLibrary.kt
index b8fcbc2..7a1e7fd 100644
--- a/src/main/kotlin/app/termora/NativeMacLibrary.kt
+++ b/src/main/kotlin/app/termora/NativeMacLibrary.kt
@@ -9,6 +9,12 @@ import java.awt.Window
 object NativeMacLibrary {
     private val log = LoggerFactory.getLogger(NativeMacLibrary::class.java)
 
+    enum class NSWindowButton {
+        NSWindowCloseButton,
+        NSWindowMiniaturizeButton,
+        NSWindowZoomButton,
+    }
+
     fun getNSWindow(window: Window): Long? {
         try {
             val peerField = Component::class.java.getDeclaredField("peer") ?: return null
@@ -31,13 +37,17 @@ object NativeMacLibrary {
         }
     }
 
-    fun setControlsVisible(window: Window, visible: Boolean) {
+    fun setControlsVisible(
+        window: Window,
+        visible: Boolean,
+        buttons: Array<NSWindowButton> = NSWindowButton.entries.toTypedArray()
+    ) {
         val nsWindow = ID(getNSWindow(window) ?: return)
         try {
             Foundation.executeOnMainThread(true, true) {
-                for (i in 0..2) {
-                    val button = Foundation.invoke(nsWindow, "standardWindowButton:", i)
-                    Foundation.invoke(button, "setHidden:", !visible)
+                for (button in buttons) {
+                    val button = Foundation.invoke(nsWindow, "standardWindowButton:", button.ordinal)
+                    Foundation.invoke(button, "setHidden:", visible.not())
                 }
             }
         } catch (e: Exception) {
diff --git a/src/main/kotlin/app/termora/plugin/internal/plugin/PluginRepositoryDialog.kt b/src/main/kotlin/app/termora/plugin/internal/plugin/PluginRepositoryDialog.kt
index 7dfcd27..31e83e2 100644
--- a/src/main/kotlin/app/termora/plugin/internal/plugin/PluginRepositoryDialog.kt
+++ b/src/main/kotlin/app/termora/plugin/internal/plugin/PluginRepositoryDialog.kt
@@ -2,6 +2,7 @@ package app.termora.plugin.internal.plugin
 
 import app.termora.*
 import com.formdev.flatlaf.extras.components.FlatToolBar
+import com.formdev.flatlaf.util.SystemInfo
 import java.awt.BorderLayout
 import java.awt.Dimension
 import java.awt.Window
@@ -22,7 +23,6 @@ internal class PluginRepositoryDialog(owner: Window) : DialogWrapper(owner) {
         size = Dimension(UIManager.getInt("Dialog.width") - 200, UIManager.getInt("Dialog.height") - 150)
         isModal = true
         isResizable = false
-        controlsVisible = false
         title = "Custom Plugin Repository"
         list.fixedCellHeight = UIManager.getInt("Tree.rowHeight")
         for (url in PluginRepositoryManager.getInstance().getRepositories()) {
@@ -98,6 +98,21 @@ internal class PluginRepositoryDialog(owner: Window) : DialogWrapper(owner) {
         return panel
     }
 
+    override fun addNotify() {
+        super.addNotify()
+
+        if (SystemInfo.isMacOS) {
+            NativeMacLibrary.setControlsVisible(
+                this,
+                false,
+                arrayOf(
+                    NativeMacLibrary.NSWindowButton.NSWindowZoomButton,
+                    NativeMacLibrary.NSWindowButton.NSWindowMiniaturizeButton
+                )
+            )
+        }
+    }
+
     override fun createSouthPanel(): JComponent? {
         return null
     }