diff --git a/src/tools/pkcs11-tool.c b/src/tools/pkcs11-tool.c
index 1e859754..a0b0fe82 100644
--- a/src/tools/pkcs11-tool.c
+++ b/src/tools/pkcs11-tool.c
@@ -5375,6 +5375,8 @@ static int test_verify(CK_SESSION_HANDLE sess)
 	return errors;
 }
 
+#if OPENSC_VERSION_MAJOR == 0 && OPENSC_VERSION_MINOR <= 20
+#else
 #ifdef ENABLE_OPENSSL
 static int wrap_unwrap(CK_SESSION_HANDLE session,
 	    const EVP_CIPHER *algo, CK_OBJECT_HANDLE privKeyObject)
@@ -5489,6 +5491,7 @@ static int wrap_unwrap(CK_SESSION_HANDLE session,
 	return 0;
 }
 #endif
+#endif
 
 
 /*
@@ -5496,6 +5499,10 @@ static int wrap_unwrap(CK_SESSION_HANDLE session,
  */
 static int test_unwrap(CK_SESSION_HANDLE sess)
 {
+#if OPENSC_VERSION_MAJOR == 0 && OPENSC_VERSION_MINOR <= 20
+	/* temporarily disable test, see https://github.com/OpenSC/OpenSC/issues/1796 */
+	return 0;
+#else
 	int             errors = 0;
 	CK_RV           rv;
 	CK_OBJECT_HANDLE privKeyObject;
@@ -5547,6 +5554,7 @@ static int test_unwrap(CK_SESSION_HANDLE sess)
 	}
 
 	return errors;
+#endif
 }
 
 #ifdef ENABLE_OPENSSL