diff --git a/Userland/Applications/PDFViewer/PDFViewerWidget.cpp b/Userland/Applications/PDFViewer/PDFViewerWidget.cpp
index e5293153da..69f8043a16 100644
--- a/Userland/Applications/PDFViewer/PDFViewerWidget.cpp
+++ b/Userland/Applications/PDFViewer/PDFViewerWidget.cpp
@@ -281,7 +281,7 @@ void PDFViewerWidget::initialize_toolbar(GUI::Toolbar& toolbar)
     m_page_text_box->set_fixed_width(30);
     m_page_text_box->set_min_number(1);
 
-    m_page_text_box->on_number_changed = [&](i32 number) {
+    m_page_text_box->on_number_changed = [&](i64 number) {
         auto page_count = m_viewer->document()->get_page_count();
         auto new_page_number = static_cast<u32>(number);
         VERIFY(new_page_number >= 1 && new_page_number <= page_count);
diff --git a/Userland/Libraries/LibGUI/NumericInput.cpp b/Userland/Libraries/LibGUI/NumericInput.cpp
index e08d54a2a1..1e6c5d7c87 100644
--- a/Userland/Libraries/LibGUI/NumericInput.cpp
+++ b/Userland/Libraries/LibGUI/NumericInput.cpp
@@ -55,14 +55,14 @@ NumericInput::NumericInput()
     on_escape_pressed = [&] { on_focus_lost(); };
 }
 
-void NumericInput::set_min_number(i32 number)
+void NumericInput::set_min_number(i64 number)
 {
     m_min_number = number;
     if (m_current_number < number)
         set_current_number(number);
 }
 
-void NumericInput::set_max_number(i32 number)
+void NumericInput::set_max_number(i64 number)
 {
     m_max_number = number;
     if (m_current_number > number)
@@ -79,7 +79,7 @@ void NumericInput::on_focus_lost()
         on_number_changed(m_current_number);
 }
 
-void NumericInput::set_current_number(i32 number, GUI::AllowCallback allow_callback)
+void NumericInput::set_current_number(i64 number, GUI::AllowCallback allow_callback)
 {
     if (number == m_current_number)
         return;
diff --git a/Userland/Libraries/LibGUI/NumericInput.h b/Userland/Libraries/LibGUI/NumericInput.h
index 3559681f23..fb9e0a3f09 100644
--- a/Userland/Libraries/LibGUI/NumericInput.h
+++ b/Userland/Libraries/LibGUI/NumericInput.h
@@ -16,20 +16,20 @@ class NumericInput final : public GUI::TextBox {
 public:
     virtual ~NumericInput() override = default;
 
-    Function<void(i32)> on_number_changed;
+    Function<void(i64)> on_number_changed;
 
-    void set_min_number(i32 number);
-    void set_max_number(i32 number);
-    void set_current_number(i32 number, GUI::AllowCallback allow_callback = GUI::AllowCallback::Yes);
+    void set_min_number(i64 number);
+    void set_max_number(i64 number);
+    void set_current_number(i64 number, GUI::AllowCallback allow_callback = GUI::AllowCallback::Yes);
 
 private:
     NumericInput();
     void on_focus_lost();
 
     bool m_needs_text_reset { false };
-    i32 m_current_number { 0 };
-    i32 m_min_number { NumericLimits<i32>::min() };
-    i32 m_max_number { NumericLimits<i32>::max() };
+    i64 m_current_number { 0 };
+    i64 m_min_number { NumericLimits<i64>::min() };
+    i64 m_max_number { NumericLimits<i64>::max() };
 };
 
 }