diff --git a/include/freetype/internal/fttrace.h b/include/freetype/internal/fttrace.h
index 78b731cab..30a9609f4 100644
--- a/include/freetype/internal/fttrace.h
+++ b/include/freetype/internal/fttrace.h
@@ -116,6 +116,10 @@ FT_TRACE_DEF( pcfread )
 FT_TRACE_DEF( bdfdriver )
 FT_TRACE_DEF( bdflib )
 
+  /* GF font components */
+FT_TRACE_DEF( gfdriver )
+FT_TRACE_DEF( gflib )
+
   /* PFR font component */
 FT_TRACE_DEF( pfr )