diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index b6216fe..a93f0c9 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -332,8 +332,7 @@ MainWindow::openMemberListDialog(const QString &room_id)
 {
         const auto roomToSearch = room_id.isEmpty() ? chat_page_->currentRoom() : "";
 
-        modal_->setWidget(new dialogs::MemberList(roomToSearch, this));
-        modal_->show();
+        showTransparentOverlayModal(new dialogs::MemberList(roomToSearch, this));
 }
 
 void
diff --git a/src/dialogs/CreateRoom.cpp b/src/dialogs/CreateRoom.cpp
index 27407d4..51f38fa 100644
--- a/src/dialogs/CreateRoom.cpp
+++ b/src/dialogs/CreateRoom.cpp
@@ -16,8 +16,13 @@ using namespace dialogs;
 CreateRoom::CreateRoom(QWidget *parent)
   : QFrame(parent)
 {
-        setMinimumSize(conf::modals::MIN_WIDGET_WIDTH, conf::modals::MIN_WIDGET_HEIGHT);
+        QFont doubleFont;
+        doubleFont.setPointSizeF(doubleFont.pointSizeF() * 2);
+
         setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+        setMinimumHeight(conf::modals::MIN_WIDGET_HEIGHT);
+        setMinimumWidth(QFontMetrics(doubleFont).averageCharWidth() * 30 -
+                        2 * conf::modals::WIDGET_MARGIN);
 
         auto layout = new QVBoxLayout(this);
         layout->setSpacing(conf::modals::WIDGET_SPACING);
diff --git a/src/dialogs/MemberList.cpp b/src/dialogs/MemberList.cpp
index 5995d40..b353229 100644
--- a/src/dialogs/MemberList.cpp
+++ b/src/dialogs/MemberList.cpp
@@ -55,9 +55,6 @@ MemberList::MemberList(const QString &room_id, QWidget *parent)
   : QFrame(parent)
   , room_id_{room_id}
 {
-        setMinimumSize(conf::modals::MIN_WIDGET_WIDTH, conf::modals::MIN_WIDGET_HEIGHT);
-
-        setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
         setAttribute(Qt::WA_DeleteOnClose, true);
 
         auto layout = new QVBoxLayout(this);
@@ -70,6 +67,15 @@ MemberList::MemberList(const QString &room_id, QWidget *parent)
         list_->setAttribute(Qt::WA_MacShowFocusRect, 0);
         list_->setSpacing(5);
 
+        QFont doubleFont;
+        doubleFont.setPointSizeF(doubleFont.pointSizeF() * 2);
+
+        setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+        setMinimumHeight(list_->sizeHint().height() * 2);
+        setMinimumWidth(std::max(list_->sizeHint().width() + 4 * conf::modals::WIDGET_MARGIN,
+                                 QFontMetrics(doubleFont).averageCharWidth() * 30 -
+                                   2 * conf::modals::WIDGET_MARGIN));
+
         QFont font;
         font.setPointSizeF(font.pointSizeF() * conf::modals::LABEL_MEDIUM_SIZE_RATIO);
 
diff --git a/src/dialogs/ReadReceipts.cpp b/src/dialogs/ReadReceipts.cpp
index b0c18bb..400963b 100644
--- a/src/dialogs/ReadReceipts.cpp
+++ b/src/dialogs/ReadReceipts.cpp
@@ -79,9 +79,6 @@ ReceiptItem::dateFormat(const QDateTime &then) const
 ReadReceipts::ReadReceipts(QWidget *parent)
   : QFrame(parent)
 {
-        setMinimumSize(conf::modals::MIN_WIDGET_WIDTH, conf::modals::MIN_WIDGET_HEIGHT);
-        setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
-
         auto layout = new QVBoxLayout(this);
         layout->setSpacing(conf::modals::WIDGET_SPACING);
         layout->setMargin(conf::modals::WIDGET_MARGIN);
@@ -92,6 +89,15 @@ ReadReceipts::ReadReceipts(QWidget *parent)
         userList_->setAttribute(Qt::WA_MacShowFocusRect, 0);
         userList_->setSpacing(conf::modals::TEXT_SPACING);
 
+        QFont doubleFont;
+        doubleFont.setPointSizeF(doubleFont.pointSizeF() * 2);
+
+        setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
+        setMinimumHeight(userList_->sizeHint().height() * 2);
+        setMinimumWidth(std::max(userList_->sizeHint().width() + 4 * conf::modals::WIDGET_MARGIN,
+                                 QFontMetrics(doubleFont).averageCharWidth() * 30 -
+                                   2 * conf::modals::WIDGET_MARGIN));
+
         QFont font;
         font.setPointSizeF(font.pointSizeF() * conf::modals::LABEL_MEDIUM_SIZE_RATIO);