diff --git a/src/amd/compiler/meson.build b/src/amd/compiler/meson.build
index 163747c4943..861848c0d43 100644
--- a/src/amd/compiler/meson.build
+++ b/src/amd/compiler/meson.build
@@ -86,7 +86,7 @@ libaco_files = files(
   'aco_validate.cpp',
 )
 
-cpp_args_aco = cpp.get_supported_arguments(['-fno-exceptions', '-fno-rtti', '-Wshadow', '-DNOMINMAX'])
+cpp_args_aco = cpp.get_supported_arguments(['-fno-exceptions', '-fno-rtti', '-Wimplicit-fallthrough', '-Wshadow', '-DNOMINMAX'])
 
 _libaco = static_library(
   'aco',
diff --git a/src/amd/vulkan/meson.build b/src/amd/vulkan/meson.build
index 89f081a8350..ed14839e891 100644
--- a/src/amd/vulkan/meson.build
+++ b/src/amd/vulkan/meson.build
@@ -119,7 +119,7 @@ if not with_platform_windows
 endif
 
 radv_deps = []
-radv_flags = cc.get_supported_arguments(['-Wshadow'])
+radv_flags = cc.get_supported_arguments(['-Wimplicit-fallthrough', '-Wshadow'])
 
 if with_platform_x11
   radv_deps += dep_xcb_dri3