diff --git a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_resolver_impl.cpp b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_resolver_impl.cpp
index a15bf5f1c..6cf2cc89f 100644
--- a/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_resolver_impl.cpp
+++ b/stratosphere/ams_mitm/source/dns_mitm/dnsmitm_resolver_impl.cpp
@@ -89,6 +89,8 @@ namespace ams::mitm::socket::resolver {
 
         LogDebug("[%016lx]: GetHostByNameRequest(%s)\n", this->client_info.program_id.value, hostname);
 
+        R_UNLESS(hostname != nullptr, sm::ResultShouldForwardToSession());
+
         ams::socket::InAddrT redirect_addr = {};
         R_UNLESS(GetRedirectedHostByName(std::addressof(redirect_addr), hostname), sm::mitm::ResultShouldForwardToSession());
 
@@ -107,6 +109,8 @@ namespace ams::mitm::socket::resolver {
 
         LogDebug("[%016lx]: GetAddrInfoRequest(%s, %s)\n", this->client_info.program_id.value, reinterpret_cast<const char *>(node.GetPointer()), reinterpret_cast<const char *>(srv.GetPointer()));
 
+        R_UNLESS(hostname != nullptr, sm::ResultShouldForwardToSession());
+
         ams::socket::InAddrT redirect_addr = {};
         R_UNLESS(GetRedirectedHostByName(std::addressof(redirect_addr), hostname), sm::mitm::ResultShouldForwardToSession());
 
@@ -142,6 +146,8 @@ namespace ams::mitm::socket::resolver {
 
         LogDebug("[%016lx]: GetHostByNameRequestWithOptions(%s)\n", this->client_info.program_id.value, hostname);
 
+        R_UNLESS(hostname != nullptr, sm::ResultShouldForwardToSession());
+
         ams::socket::InAddrT redirect_addr = {};
         R_UNLESS(GetRedirectedHostByName(std::addressof(redirect_addr), hostname), sm::mitm::ResultShouldForwardToSession());
 
@@ -160,6 +166,8 @@ namespace ams::mitm::socket::resolver {
 
         LogDebug("[%016lx]: GetAddrInfoRequestWithOptions(%s, %s)\n", this->client_info.program_id.value, hostname, reinterpret_cast<const char *>(srv.GetPointer()));
 
+        R_UNLESS(hostname != nullptr, sm::ResultShouldForwardToSession());
+
         ams::socket::InAddrT redirect_addr = {};
         R_UNLESS(GetRedirectedHostByName(std::addressof(redirect_addr), hostname), sm::mitm::ResultShouldForwardToSession());