diff --git a/SkipList.cpp b/SkipList.cpp
index 9d670df..bca5f62 100644
--- a/SkipList.cpp
+++ b/SkipList.cpp
@@ -42,7 +42,7 @@ std::span<const uint8_t> copyToArena(Arena &arena,
 }
 
 using Version = int64_t;
-#define force_inline __attribute__((always_inline))
+#define force_inline inline __attribute__((always_inline))
 using StringRef = std::span<const uint8_t>;
 
 struct KeyRangeRef {