diff --git a/libraries/libstratosphere/source/hos/hos_version_api.cpp b/libraries/libstratosphere/source/hos/hos_version_api.cpp
index 2d31bbbe6..02ec4d6f3 100644
--- a/libraries/libstratosphere/source/hos/hos_version_api.cpp
+++ b/libraries/libstratosphere/source/hos/hos_version_api.cpp
@@ -22,7 +22,7 @@ namespace ams::hos {
 
         hos::Version g_hos_version;
         bool g_has_cached;
-        os::Mutex g_mutex(false);
+        os::SdkMutex g_mutex;
 
         void CacheValues() {
             if (__atomic_load_n(&g_has_cached, __ATOMIC_SEQ_CST)) {
@@ -37,7 +37,21 @@ namespace ams::hos {
 
             /* Hos version is a direct copy of target firmware, just renamed. */
             g_hos_version = static_cast<hos::Version>(exosphere::GetApiInfo().GetTargetFirmware());
-            AMS_ABORT_UNLESS(g_hos_version <= hos::Version_Max);
+
+            /* Ensure that this is a hos version we can sanely *try* to run. */
+            /* To be friendly, we will only require that we recognize the major and minor versions. */
+            /* We can consider only recognizing major in the future, but micro seems safe to ignore as
+            /* there are no breaking IPC changes in minor updates. */
+            {
+                constexpr u32 MaxMajor = (static_cast<u32>(g_hos_version) >> 24) & 0xFF;
+                constexpr u32 MaxMinor = (static_cast<u32>(g_hos_version) >> 16) & 0xFF;
+
+                const u32 major = (static_cast<u32>(g_hos_version) >> 24) & 0xFF;
+                const u32 minor = (static_cast<u32>(g_hos_version) >> 16) & 0xFF;
+
+                const bool is_safely_tryable_version = (g_hos_version <= hos::Version_Max) || (major == MaxMajor && minor <= MaxMinor);
+                AMS_ABORT_UNLESS(is_safely_tryable_version);
+            }
 
             __atomic_store_n(&g_has_cached, true, __ATOMIC_SEQ_CST);
         }