diff --git a/opencore_legacy_patcher/support/macos_installer_handler.py b/opencore_legacy_patcher/support/macos_installer_handler.py
index 2475493d1..b8800ce7c 100644
--- a/opencore_legacy_patcher/support/macos_installer_handler.py
+++ b/opencore_legacy_patcher/support/macos_installer_handler.py
@@ -24,7 +24,6 @@ from ..volume import (
 
 
 APPLICATION_SEARCH_PATH:  str = "/Applications"
-SFR_SOFTWARE_UPDATE_PATH: str = "SFR/com_apple_MobileAsset_SFRSoftwareUpdate/com_apple_MobileAsset_SFRSoftwareUpdate.xml"
 
 tmp_dir = tempfile.TemporaryDirectory()
 
@@ -344,9 +343,15 @@ class LocalInstallerCatalog:
             if output.returncode != 0:
                 return (detected_build, detected_os)
 
-            ss_info = Path(SFR_SOFTWARE_UPDATE_PATH)
 
-            if Path(tmpdir / ss_info).exists():
+            ss_info_files = [
+                Path("SFR/com_apple_MobileAsset_SFRSoftwareUpdate/com_apple_MobileAsset_SFRSoftwareUpdate.xml"),
+                Path("com_apple_MobileAsset_MacSoftwareUpdate/com_apple_MobileAsset_MacSoftwareUpdate.xml")
+            ]
+
+            for ss_info in ss_info_files:
+                if not Path(tmpdir / ss_info).exists():
+                    continue
                 plist = plistlib.load((tmpdir / ss_info).open("rb"))
                 if "Assets" in plist:
                     if "Build" in plist["Assets"][0]:
diff --git a/opencore_legacy_patcher/sys_patch/kernelcache/kernel_collection/support.py b/opencore_legacy_patcher/sys_patch/kernelcache/kernel_collection/support.py
index 06a34f5cb..0600e15b9 100644
--- a/opencore_legacy_patcher/sys_patch/kernelcache/kernel_collection/support.py
+++ b/opencore_legacy_patcher/sys_patch/kernelcache/kernel_collection/support.py
@@ -33,6 +33,8 @@ class KernelCacheSupport:
                 ["teamID"] =           Team ID (blank on ad-hoc signed)
             To grab the CDHash of a kext, run 'codesign -dvvv <kext_path>'
         """
+        if not kext_name.endswith(".kext"):
+            return False
 
         try:
             aux_cache_path = Path(self.mount_location_data) / Path("/private/var/db/KernelExtensionManagement/AuxKC/CurrentAuxKC/com.apple.kcgen.instructions.plist")