diff --git a/renderdoc/CMakeLists.txt b/renderdoc/CMakeLists.txt
index 204520ab7..a26438d76 100644
--- a/renderdoc/CMakeLists.txt
+++ b/renderdoc/CMakeLists.txt
@@ -405,6 +405,9 @@ if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR APPLE)
         set_property(SOURCE 3rdparty/jpeg-compressor/jpge.cpp
             APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-shorten-64-to-32")
 
+        set_property(SOURCE 3rdparty/compressonator/BC6_Encode_kernel.cpp
+            APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-tautological-constant-out-of-range-compare")
+
         # Only clang has this warning. Fixing it in this file causes a compile error on windows
         set_source_files_properties(os/os_specific.cpp
             PROPERTIES COMPILE_FLAGS "-Wno-unknown-warning-option -Wno-unused-lambda-capture")