diff --git a/ports/libarchive/fix-xxhash-inline-for-visual-studio.patch b/ports/libarchive/fix-xxhash-inline-for-visual-studio.patch
new file mode 100644
index 00000000000000..bc30d810a504bc
--- /dev/null
+++ b/ports/libarchive/fix-xxhash-inline-for-visual-studio.patch
@@ -0,0 +1,17 @@
+diff --git a/libarchive/xxhash.c b/libarchive/xxhash.c
+index 70750bae..f96e9d93 100644
+--- a/libarchive/xxhash.c
++++ b/libarchive/xxhash.c
+@@ -150,7 +150,11 @@ typedef struct _U32_S { U32 v; } _PACKED U32_S;
+ #if GCC_VERSION >= 409
+ __attribute__((__no_sanitize_undefined__))
+ #endif
+-static inline U32 A32(const void * x)
++#if defined(_MSC_VER)
++static __inline U32 A32(const void * x)
++#else
++static inline U32 A32(const void* x)
++#endif
+ {
+     return (((const U32_S *)(x))->v);
+ }
diff --git a/ports/libarchive/portfile.cmake b/ports/libarchive/portfile.cmake
index 4e6a5fd852d892..d577cee844a026 100644
--- a/ports/libarchive/portfile.cmake
+++ b/ports/libarchive/portfile.cmake
@@ -11,6 +11,7 @@ vcpkg_from_github(
         fix-dependencies.patch
         fix-cpu-set.patch
         disable-warnings.patch
+        fix-xxhash-inline-for-visual-studio.patch
 )
 
 vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS