--- a/filesystems/zstd/fse_decompress.c
+++ b/filesystems/zstd/fse_decompress.c
@@ -40,7 +40,7 @@
 /* **************************************************************
 *  Compiler specifics
 ****************************************************************/
-#define FORCE_INLINE static __always_inline
+#define FORCE_INLINE static inline __attribute__((__always_inline__))
 
 /* **************************************************************
 *  Includes
--- a/filesystems/zstd/zstd_internal.h
+++ b/filesystems/zstd/zstd_internal.h
@@ -20,7 +20,7 @@
 /*-*******************************************************
 *  Compiler specifics
 *********************************************************/
-#define FORCE_INLINE static __always_inline
+#define FORCE_INLINE static inline __attribute__((__always_inline__))
 #define FORCE_NOINLINE static /*noinline*/
 
 /*-*************************************
--- a/filesystems/zstd/huf_decompress.c
+++ b/filesystems/zstd/huf_decompress.c
@@ -40,7 +40,7 @@
 /* **************************************************************
 *  Compiler specifics
 ****************************************************************/
-#define FORCE_INLINE static __always_inline
+#define FORCE_INLINE static inline __attribute__((__always_inline__))
 
 /* **************************************************************
 *  Dependencies