diff --git a/include/libassert/assert.hpp b/include/libassert/assert.hpp
index 63383441..2a5d3040 100644
--- a/include/libassert/assert.hpp
+++ b/include/libassert/assert.hpp
@@ -23,7 +23,7 @@
 #include <libassert/platform.hpp>
 #include <libassert/utilities.hpp>
 #include <libassert/stringification.hpp>
-#include <libassert/expression_decomposition.hpp>
+#include <libassert/expression-decomposition.hpp>
 
 #include <cpptrace/cpptrace.hpp>
 
diff --git a/include/libassert/expression_decomposition.hpp b/include/libassert/expression-decomposition.hpp
similarity index 100%
rename from include/libassert/expression_decomposition.hpp
rename to include/libassert/expression-decomposition.hpp