diff --git a/src/libopensc/pkcs15-din-66291.c b/src/libopensc/pkcs15-din-66291.c
index 241afb8a..f9c90fc4 100644
--- a/src/libopensc/pkcs15-din-66291.c
+++ b/src/libopensc/pkcs15-din-66291.c
@@ -260,6 +260,8 @@ sc_pkcs15emu_din_66291_init(sc_pkcs15_card_t *p15card)
 
 int sc_pkcs15emu_din_66291_init_ex(sc_pkcs15_card_t *p15card, struct sc_aid *aid)
 {
+    int r;
+
     if (!p15card || ! p15card->card)
         return SC_ERROR_INVALID_ARGUMENTS;
 
@@ -270,5 +272,13 @@ int sc_pkcs15emu_din_66291_init_ex(sc_pkcs15_card_t *p15card, struct sc_aid *aid
         return SC_ERROR_WRONG_CARD;
 
     /* Init card */
-    return sc_pkcs15emu_din_66291_init(p15card);
+    r = sc_pkcs15emu_din_66291_init(p15card);
+    if (r != SC_SUCCESS) {
+        sc_pkcs15_free_tokeninfo(p15card->tokeninfo);
+        sc_file_free(p15card->file_tokeninfo);
+        p15card->tokeninfo = NULL;
+        p15card->file_tokeninfo = NULL;
+    }
+
+    return r;
 }