diff --git a/src/hb-subset.h b/src/hb-subset.h
index 3e1405a3f..e87c69c09 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -232,10 +232,10 @@ hb_subset_input_override_name_table (hb_subset_input_t  *input,
 */
 
 HB_EXTERN hb_blob_t*
-hb_subset_cff_get_charstring_data(hb_face_t* face, hb_codepoint_t glyph_index);
+hb_subset_cff_get_charstring_data (hb_face_t* face, hb_codepoint_t glyph_index);
 
 HB_EXTERN hb_blob_t*
-hb_subset_cff2_get_charstring_data(hb_face_t* face, hb_codepoint_t glyph_index);
+hb_subset_cff2_get_charstring_data (hb_face_t* face, hb_codepoint_t glyph_index);
 #endif
 
 HB_EXTERN hb_face_t *