diff --git a/gfx/cairo/cairo/src/cairo-cff-subset.c b/gfx/cairo/cairo/src/cairo-cff-subset.c
index 6a5060047f..d4d119cc2c 100644
--- a/gfx/cairo/cairo/src/cairo-cff-subset.c
+++ b/gfx/cairo/cairo/src/cairo-cff-subset.c
@@ -1726,7 +1726,7 @@ _cairo_cff_font_create (cairo_scaled_font_subset_t  *scaled_font_subset,
     if (unlikely (status))
         return status;
 
-    font = malloc (sizeof (cairo_cff_font_t));
+    font = calloc (1, sizeof (cairo_cff_font_t));
     if (unlikely (font == NULL))
         return _cairo_error (CAIRO_STATUS_NO_MEMORY);
 
@@ -1994,7 +1994,7 @@ _cairo_cff_font_fallback_create (cairo_scaled_font_subset_t  *scaled_font_subset
     cairo_status_t status;
     cairo_cff_font_t *font;
 
-    font = malloc (sizeof (cairo_cff_font_t));
+    font = calloc (1, sizeof (cairo_cff_font_t));
     if (unlikely (font == NULL))
 	return _cairo_error (CAIRO_STATUS_NO_MEMORY);