--- a/security/nss/lib/pkcs12/p12d.c
+++ b/security/nss/lib/pkcs12/p12d.c
@@ -1611,17 +1611,17 @@ sec_pkcs12_decoder_set_attribute_value(s
 				           sec_PKCS12Attribute *, i + 1, i + 2);
     }
 
     if(!bag->attribs) {
 	return SECFailure;
     }
 
     bag->attribs[i] = PORT_ArenaZNew(bag->arena, sec_PKCS12Attribute);
-    if(!bag->attribs) {
+    if(!bag->attribs[i]) {
 	return SECFailure;
     }
 
     bag->attribs[i]->attrValue = PORT_ArenaZNewArray(bag->arena, SECItem *, 2);
     if(!bag->attribs[i]->attrValue) {
 	return SECFailure;
     }