diff --git a/src/AMBuilder b/src/AMBuilder
index f8e1af4..4adcc4b 100644
--- a/src/AMBuilder
+++ b/src/AMBuilder
@@ -22,6 +22,11 @@ for sdk_name in Extension.sdks:
 
     Extension.AddCDetour(binary)
 
+    # Silence fatal errors on unrecognized Clang warning flags from CDetour
+    if cxx.family in ['gcc', 'clang']:
+        binary.compiler.cflags += ['-Wno-unknown-warning-option']
+        binary.compiler.cxxflags += ['-Wno-unknown-warning-option']
+
     binary.compiler.cxxincludes += [
       os.path.join(sdk['path'], 'game', 'server'),
     ]