diff --git a/src/modules/module_13731.c b/src/modules/module_13731.c
index 86679c2cc..7f31db24e 100644
--- a/src/modules/module_13731.c
+++ b/src/modules/module_13731.c
@@ -205,6 +205,18 @@ int module_hash_binary_parse (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE
   return 1;
 }
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  // l_opencl_p_18.1.0.013: self-test failed
+  // note that opencl_runtime_16.1.2_x64_rh_6.4.0.37 works fine
+  if (device_param->device_vendor_id == VENDOR_ID_INTEL_SDK)
+  {
+    return true;
+  }
+
+  return false;
+}
+
 int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
 {
   u32 *digest = (u32 *) digest_buf;
@@ -297,6 +309,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_13732.c b/src/modules/module_13732.c
index cba4ef769..1f296f9b8 100644
--- a/src/modules/module_13732.c
+++ b/src/modules/module_13732.c
@@ -205,6 +205,18 @@ int module_hash_binary_parse (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE
   return 1;
 }
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  // l_opencl_p_18.1.0.013: self-test failed
+  // note that opencl_runtime_16.1.2_x64_rh_6.4.0.37 works fine
+  if (device_param->device_vendor_id == VENDOR_ID_INTEL_SDK)
+  {
+    return true;
+  }
+
+  return false;
+}
+
 int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
 {
   u32 *digest = (u32 *) digest_buf;
@@ -297,6 +309,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }
diff --git a/src/modules/module_13733.c b/src/modules/module_13733.c
index 207d71089..7026d99ec 100644
--- a/src/modules/module_13733.c
+++ b/src/modules/module_13733.c
@@ -205,6 +205,18 @@ int module_hash_binary_parse (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE
   return 1;
 }
 
+bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  // l_opencl_p_18.1.0.013: self-test failed
+  // note that opencl_runtime_16.1.2_x64_rh_6.4.0.37 works fine
+  if (device_param->device_vendor_id == VENDOR_ID_INTEL_SDK)
+  {
+    return true;
+  }
+
+  return false;
+}
+
 int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
 {
   u32 *digest = (u32 *) digest_buf;
@@ -297,6 +309,6 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_st_hash                  = module_st_hash;
   module_ctx->module_st_pass                  = module_st_pass;
   module_ctx->module_tmp_size                 = module_tmp_size;
-  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_unstable_warning         = module_unstable_warning;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
 }