diff --git a/src/impl_x86__base_implementation.inl b/src/impl_x86__base_implementation.inl
index 09f24b2..9804df7 100644
--- a/src/impl_x86__base_implementation.inl
+++ b/src/impl_x86__base_implementation.inl
@@ -98,7 +98,7 @@ typedef struct {
   Leaf leaf_80000004;  // brand string
 } Leaves;
 
-static Leaves ReadLeaves() {
+static Leaves ReadLeaves(void) {
   const Leaf leaf_0 = GetCpuidLeaf(0, 0);
   const uint32_t max_cpuid_leaf = leaf_0.eax;
   const Leaf leaf_80000000 = GetCpuidLeaf(0x80000000, 0);