diff --git a/src/Platforms.jl b/src/Platforms.jl
index f822b67c..c0bbc3d3 100644
--- a/src/Platforms.jl
+++ b/src/Platforms.jl
@@ -42,6 +42,9 @@ function libabi_agnostic(p::Platform)
     return Platform(arch(p)::String, os(p)::String; filtered_tags...)
 end
 
+platforms_match_with_sanitize(a::AnyPlatform, b::AnyPlatform) = true
+platforms_match_with_sanitize(a::AnyPlatform, b::AbstractPlatform) = true
+platforms_match_with_sanitize(a::AbstractPlatform, b::AnyPlatform) = true
 platforms_match_with_sanitize(a::AbstractPlatform, b::AbstractPlatform) =
     platforms_match(a, b) && sanitize(a) == sanitize(b)
 function platforms_match_with_sanitize(a::AbstractString, b::AbstractPlatform)
diff --git a/test/platforms.jl b/test/platforms.jl
index 1412acf2..6935ab8e 100644
--- a/test/platforms.jl
+++ b/test/platforms.jl
@@ -57,6 +57,10 @@ end
     # Make sure `AnyPlatform` matches all platforms we can possibly support.
     @test all(p -> platforms_match(AnyPlatform(), p),
               expand_microarchitectures(expand_gfortran_versions(expand_cxxstring_abis(supported_platforms(; experimental=true)))))
+
+    # Make sure `AnyPlatform` matches all platforms we can possibly support.
+    @test all(p -> BinaryBuilderBase.platforms_match_with_sanitize(AnyPlatform(), p),
+              expand_microarchitectures(expand_gfortran_versions(expand_cxxstring_abis(supported_platforms(; experimental=true)))))
 end
 
 @testset "Target properties" begin