diff --git a/src/libstd/rand/distributions.rs b/src/libstd/rand/distributions/mod.rs
similarity index 100%
rename from src/libstd/rand/distributions.rs
rename to src/libstd/rand/distributions/mod.rs
diff --git a/src/libstd/rand/range.rs b/src/libstd/rand/distributions/range.rs
similarity index 100%
rename from src/libstd/rand/range.rs
rename to src/libstd/rand/distributions/range.rs
diff --git a/src/libstd/rand/ziggurat_tables.rs b/src/libstd/rand/distributions/ziggurat_tables.rs
similarity index 100%
rename from src/libstd/rand/ziggurat_tables.rs
rename to src/libstd/rand/distributions/ziggurat_tables.rs