diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c
index 9029aea4d..b70f9a91a 100644
--- a/src/truetype/ttobjs.c
+++ b/src/truetype/ttobjs.c
@@ -156,7 +156,7 @@
     unsigned int  i;
 
 
-    if ( name[6] != '+' )
+    if ( ft_strlen( name ) < 8 || name[6] != '+' )
       return name;
 
     for ( i = 0; i < 6; i++ )