diff --git a/src/cryptoki.hxx b/src/cryptoki.hxx
index b9c753d..9c2b8d1 100644
--- a/src/cryptoki.hxx
+++ b/src/cryptoki.hxx
@@ -2017,7 +2017,7 @@ namespace cryptoki {
         Attribute res;
         CK_ATTRIBUTE attr;
         attr.type = a;
-        attr.pValue = 0:
+        attr.pValue = 0;
         attr.ulValueLen = 0;
         //! calls @c C_GetAttributeValue
         if (!check(_session._slot.library()->C_GetAttributeValue
@@ -2144,7 +2144,7 @@ namespace cryptoki {
              it!=attrs.end(); ++it) {
           CK_ATTRIBUTE attr;
           attr.type = *it;
-          attr.pValue = 0:
+          attr.pValue = 0;
           attr.ulValueLen = 0;
           try {
             //! calls @c C_GetAttributeValue