diff --git a/library/x509parse.c b/library/x509parse.c
index efde3f5..4b4be66 100644
--- a/library/x509parse.c
+++ b/library/x509parse.c
@@ -1967,7 +1967,10 @@
         i = stat( entry_name, &sb );
 
         if( i == -1 )
+        {
+            closedir( dir );
             return( POLARSSL_ERR_X509_FILE_IO_ERROR );
+        }
 
         if( !S_ISREG( sb.st_mode ) )
             continue;