diff --git a/include/share/compat.h b/include/share/compat.h
index 19f5dd65..983b045a 100644
--- a/include/share/compat.h
+++ b/include/share/compat.h
@@ -66,6 +66,7 @@
 
 #if defined(_MSC_VER)
 #define restrict __restrict
+#define inline __inline
 #endif
 
 /* adjust for compilers that can't understand using LLU suffix for uint64_t literals */