diff --git a/aegisub/font_file_lister_fontconfig.cpp b/aegisub/font_file_lister_fontconfig.cpp
index 452663446..8eb1106ef 100644
--- a/aegisub/font_file_lister_fontconfig.cpp
+++ b/aegisub/font_file_lister_fontconfig.cpp
@@ -76,6 +76,14 @@ wxArrayString FontConfigFontFileLister::DoGetFilesWithFace(wxString facename) {
 }
 
 
+///////////////
+// Constructor
+FontConfigFontFileLister::FontConfigFontFileLister()
+: fontconf(0), aux(0)
+{
+}
+
+
 //////////////
 // Initialize
 void FontConfigFontFileLister::DoInitialize() {
diff --git a/aegisub/font_file_lister_fontconfig.h b/aegisub/font_file_lister_fontconfig.h
index 242c60892..e0f951947 100644
--- a/aegisub/font_file_lister_fontconfig.h
+++ b/aegisub/font_file_lister_fontconfig.h
@@ -51,6 +51,8 @@ class FontConfigFontFileLister : public FontFileLister {
 private:
 	FcConfig *fontconf;
 	FcPattern *aux;
+	
+	FontConfigFontFileLister();
 
 	wxArrayString DoGetFilesWithFace(wxString facename);
 	void DoInitialize();