diff --git a/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/ConfirmationDialog.java b/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/ConfirmationDialog.java
index 2fb76aaf..e7b284a6 100644
--- a/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/ConfirmationDialog.java
+++ b/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/ConfirmationDialog.java
@@ -18,6 +18,7 @@
  */
 package org.pdfsam.gui.components.dialog;
 
+import javafx.application.Platform;
 import javafx.scene.Scene;
 import javafx.scene.control.Button;
 import javafx.scene.layout.HBox;
@@ -42,7 +43,6 @@ public class ConfirmationDialog extends Stage {
     public ConfirmationDialog(DialogStyle style, Stage owner, String positiveButtonText, String negativeButtonText) {
         initModality(Modality.WINDOW_MODAL);
         initStyle(StageStyle.UTILITY);
-        setResizable(false);
         initOwner(owner);
         this.dialogContent = new ConfirmationDialogContent(style.icon);
         VBox containerPane = new VBox();
@@ -55,6 +55,10 @@ public ConfirmationDialog(DialogStyle style, Stage owner, String positiveButtonT
         Scene scene = new Scene(containerPane);
         setScene(scene);
         app().registerScene(scene);
+        Platform.runLater(() -> {
+            scene.getWindow().sizeToScene();
+            setResizable(false);
+        });
         this.setOnShown(e -> requestFocus());
     }
 
diff --git a/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OpenWithDialog.java b/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OpenWithDialog.java
index 53a6208a..a3be0519 100644
--- a/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OpenWithDialog.java
+++ b/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OpenWithDialog.java
@@ -20,6 +20,7 @@
 
 import jakarta.inject.Inject;
 import jakarta.inject.Named;
+import javafx.application.Platform;
 import javafx.collections.FXCollections;
 import javafx.geometry.Pos;
 import javafx.scene.Scene;
@@ -71,7 +72,6 @@ public OpenWithDialog(@Named("primaryStage") Stage stage) {
     OpenWithDialog(Collection<Tool> tools, @Named("primaryStage") Stage stage) {
         initModality(Modality.WINDOW_MODAL);
         initStyle(StageStyle.UTILITY);
-        setResizable(false);
         setTitle(i18n().tr("Open with"));
         initOwner(stage);
 
@@ -97,6 +97,10 @@ public OpenWithDialog(@Named("primaryStage") Stage stage) {
         setScene(scene);
         app().registerScene(scene);
         eventStudio().addAnnotatedListeners(this);
+        Platform.runLater(() -> {
+            scene.getWindow().sizeToScene();
+            setResizable(false);
+        });
         this.setOnShown(e -> requestFocus());
     }
 
diff --git a/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OverwriteConfirmationDialog.java b/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OverwriteConfirmationDialog.java
index 9be2ccf6..47645a1e 100644
--- a/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OverwriteConfirmationDialog.java
+++ b/pdfsam-gui/src/main/java/org/pdfsam/gui/components/dialog/OverwriteConfirmationDialog.java
@@ -20,6 +20,7 @@
 
 import jakarta.inject.Inject;
 import jakarta.inject.Named;
+import javafx.application.Platform;
 import javafx.scene.Scene;
 import javafx.scene.control.Button;
 import javafx.scene.layout.HBox;
@@ -51,7 +52,6 @@ public class OverwriteConfirmationDialog extends Stage {
     public OverwriteConfirmationDialog(@Named("primaryStage") Stage stage) {
         initModality(Modality.WINDOW_MODAL);
         initStyle(StageStyle.UTILITY);
-        setResizable(false);
         initOwner(stage);
         this.dialogContent = new ConfirmationDialogContent(DialogStyle.WARNING.icon);
         VBox containerPane = new VBox();
@@ -62,6 +62,10 @@ public OverwriteConfirmationDialog(@Named("primaryStage") Stage stage) {
         Scene scene = new Scene(containerPane);
         setScene(scene);
         app().registerScene(scene);
+        Platform.runLater(() -> {
+            scene.getWindow().sizeToScene();
+            setResizable(false);
+        });
         this.setOnShown(e -> requestFocus());
     }