diff --git a/splash/SplashFTFont.cc b/splash/SplashFTFont.cc
index f18b58b..a9089d6 100644
--- a/splash/SplashFTFont.cc
+++ b/splash/SplashFTFont.cc
@@ -428,6 +428,8 @@ SplashPath *SplashFTFont::getGlyphPath(int c) {
   if (FT_Get_Glyph(slot, &glyph)) {
     return NULL;
   }
+  if (FT_Outline_Check(&((FT_OutlineGlyph)glyph)->outline) == FT_Err_Invalid_Argument)
+    return NULL;
   path.path = new SplashPath();
   path.textScale = textScale;
   path.needClose = gFalse;