diff --git a/aegisub/src/dialog_style_editor.cpp b/aegisub/src/dialog_style_editor.cpp
index 69396a513..21c1f2cb4 100644
--- a/aegisub/src/dialog_style_editor.cpp
+++ b/aegisub/src/dialog_style_editor.cpp
@@ -58,7 +58,6 @@
 #include <algorithm>
 
 #include <wx/bmpbuttn.h>
-#include <wx/fontenum.h>
 #include <wx/msgdlg.h>
 #include <wx/sizer.h>
 #include <wx/stattext.h>
@@ -140,7 +139,7 @@ static wxTextCtrl *num_text_ctrl(wxWindow *parent, double value, bool allow_nega
 	return new wxTextCtrl(parent, -1, "", wxDefaultPosition, size, 0, NumValidator(value, allow_negative));
 }
 
-DialogStyleEditor::DialogStyleEditor(wxWindow *parent, AssStyle *style, agi::Context *c, AssStyleStorage *store, std::string const& new_name)
+DialogStyleEditor::DialogStyleEditor(wxWindow *parent, AssStyle *style, agi::Context *c, AssStyleStorage *store, std::string const& new_name, wxArrayString const& font_list)
 : wxDialog (parent, -1, _("Style Editor"), wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 , c(c)
 , is_new(false)
@@ -164,8 +163,6 @@ DialogStyleEditor::DialogStyleEditor(wxWindow *parent, AssStyle *style, agi::Con
 	// Prepare control values
 	wxString EncodingValue = std::to_wstring(style->encoding);
 	wxString alignValues[9] = { "7", "8", "9", "4", "5", "6", "1", "2", "3" };
-	wxArrayString fontList = wxFontEnumerator::GetFacenames();
-	fontList.Sort();
 
 	// Encoding options
 	wxArrayString encodingStrings;
@@ -236,7 +233,7 @@ DialogStyleEditor::DialogStyleEditor(wxWindow *parent, AssStyle *style, agi::Con
 	Alignment->SetSelection(AlignToControl(style->alignment));
 	// Fill font face list box
 	FontName->Freeze();
-	FontName->Append(fontList);
+	FontName->Append(font_list);
 	FontName->SetValue(to_wx(style->font));
 	FontName->Thaw();
 
diff --git a/aegisub/src/dialog_style_editor.h b/aegisub/src/dialog_style_editor.h
index 9fc6d3df3..1ed545869 100644
--- a/aegisub/src/dialog_style_editor.h
+++ b/aegisub/src/dialog_style_editor.h
@@ -105,7 +105,7 @@ class DialogStyleEditor : public wxDialog {
 	void OnSetColor(wxThreadEvent& evt);
 
 public:
-	DialogStyleEditor(wxWindow *parent, AssStyle *style, agi::Context *c, AssStyleStorage *store = 0, std::string const& new_name = "");
+	DialogStyleEditor(wxWindow *parent, AssStyle *style, agi::Context *c, AssStyleStorage *store, std::string const& new_name, wxArrayString const& font_list);
 	~DialogStyleEditor();
 
 	std::string GetStyleName() const;
diff --git a/aegisub/src/dialog_style_manager.cpp b/aegisub/src/dialog_style_manager.cpp
index 4a9493fe8..e2e39ac80 100644
--- a/aegisub/src/dialog_style_manager.cpp
+++ b/aegisub/src/dialog_style_manager.cpp
@@ -64,6 +64,7 @@
 
 #include <wx/bmpbuttn.h>
 #include <wx/filename.h>
+#include <wx/fontenum.h>
 #include <wx/intl.h>
 #include <wx/msgdlg.h>
 #include <wx/sizer.h>
@@ -159,6 +160,11 @@ DialogStyleManager::DialogStyleManager(agi::Context *context)
 , c(context)
 , commit_connection(c->ass->AddCommitListener(&DialogStyleManager::LoadCurrentStyles, this))
 , active_line_connection(c->selectionController->AddActiveLineListener(&DialogStyleManager::OnActiveLineChanged, this))
+, font_list(std::async(std::launch::async, []() -> wxArrayString {
+	wxArrayString fontList = wxFontEnumerator::GetFacenames();
+	fontList.Sort();
+	return fontList;
+}))
 {
 	using std::bind;
 	SetIcon(GETICON(style_toolbutton_16));
@@ -486,7 +492,7 @@ void DialogStyleManager::PasteToStorage() {
 }
 
 void DialogStyleManager::ShowStorageEditor(AssStyle *style, std::string const& new_name) {
-	DialogStyleEditor editor(this, style, c, &Store, new_name);
+	DialogStyleEditor editor(this, style, c, &Store, new_name, font_list.get());
 	if (editor.ShowModal()) {
 		UpdateStorage();
 		StorageList->SetStringSelection(to_wx(editor.GetStyleName()));
@@ -495,7 +501,7 @@ void DialogStyleManager::ShowStorageEditor(AssStyle *style, std::string const& n
 }
 
 void DialogStyleManager::OnStorageNew() {
-	ShowStorageEditor(0);
+	ShowStorageEditor(nullptr);
 }
 
 void DialogStyleManager::OnStorageEdit() {
@@ -524,7 +530,7 @@ void DialogStyleManager::OnStorageDelete() {
 }
 
 void DialogStyleManager::ShowCurrentEditor(AssStyle *style, std::string const& new_name) {
-	DialogStyleEditor editor(this, style, c, 0, new_name);
+	DialogStyleEditor editor(this, style, c, nullptr, new_name, font_list.get());
 	if (editor.ShowModal()) {
 		CurrentList->DeselectAll();
 		CurrentList->SetStringSelection(to_wx(editor.GetStyleName()));
@@ -533,7 +539,7 @@ void DialogStyleManager::ShowCurrentEditor(AssStyle *style, std::string const& n
 }
 
 void DialogStyleManager::OnCurrentNew() {
-	ShowCurrentEditor(0);
+	ShowCurrentEditor(nullptr);
 }
 
 void DialogStyleManager::OnCurrentEdit() {
diff --git a/aegisub/src/dialog_style_manager.h b/aegisub/src/dialog_style_manager.h
index 7a3e407e5..6a848d852 100644
--- a/aegisub/src/dialog_style_manager.h
+++ b/aegisub/src/dialog_style_manager.h
@@ -32,6 +32,7 @@
 /// @ingroup style_editor
 ///
 
+#include <future>
 #include <memory>
 #include <vector>
 
@@ -58,6 +59,8 @@ class DialogStyleManager : public wxDialog {
 	agi::signal::Connection commit_connection;
 	agi::signal::Connection active_line_connection;
 
+	std::shared_future<wxArrayString> font_list;
+
 	/// Styles in the current subtitle file
 	std::vector<AssStyle*> styleMap;