diff --git a/dlls/crypt32/ctl.c b/dlls/crypt32/ctl.c
index 44b517a..40895fa 100644
--- a/dlls/crypt32/ctl.c
+++ b/dlls/crypt32/ctl.c
@@ -113,7 +113,13 @@
         break;
     case CERT_STORE_ADD_USE_EXISTING:
         if (existing)
+        {
             CtlContext_CopyProperties(existing, pCtlContext);
+            if (ppStoreContext)
+                *ppStoreContext = CertDuplicateCTLContext(existing);
+        }
+        else
+            toAdd = CertDuplicateCTLContext(pCtlContext);
         break;
     default:
         FIXME("Unimplemented add disposition %d\n", dwAddDisposition);