diff --git a/include/xsimd/config/xsimd_inline.hpp b/include/xsimd/config/xsimd_inline.hpp
index eaf024103..f3becaf12 100644
--- a/include/xsimd/config/xsimd_inline.hpp
+++ b/include/xsimd/config/xsimd_inline.hpp
@@ -17,6 +17,8 @@
 #elif defined __has_attribute
 #if __has_attribute(always_inline)
 #define XSIMD_INLINE inline __attribute__((always_inline))
+#else
+#define XSIMD_INLINE inline
 #endif
 #elif defined(_MSC_VER)
 #define XSIMD_INLINE inline __forceinline