diff --git a/renderdoc/driver/ihv/nv/CMakeLists.txt b/renderdoc/driver/ihv/nv/CMakeLists.txt
index d579e7cda..7547b88a9 100644
--- a/renderdoc/driver/ihv/nv/CMakeLists.txt
+++ b/renderdoc/driver/ihv/nv/CMakeLists.txt
@@ -19,6 +19,13 @@ if(NOT ANDROID AND NOT APPLE)
     endif()
 endif()
 
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 18.9)
+        set_property(SOURCE ${sources} ${sources_gl} ${sources_vulkan}
+            APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-cast-function-type-mismatch")
+    endif()
+endif()
+
 set(include_dirs
     ${RDOC_INCLUDES}
     "${CMAKE_CURRENT_SOURCE_DIR}/official/PerfSDK/redist/include"