diff --git a/dlls/crypt32/crypt32_private.h b/dlls/crypt32/crypt32_private.h
index b5beb1b8a0e..fd1157ec295 100644
--- a/dlls/crypt32/crypt32_private.h
+++ b/dlls/crypt32/crypt32_private.h
@@ -510,6 +510,7 @@ enum unix_funcs
     unix_import_store_cert,
     unix_close_cert_store,
     unix_enum_root_certs,
+    unix_funcs_count,
 };
 
 #define CRYPT32_CALL( func, params ) WINE_UNIX_CALL( unix_ ## func, params )
diff --git a/dlls/crypt32/unixlib.c b/dlls/crypt32/unixlib.c
index e90642fb0d5..72770caab5f 100644
--- a/dlls/crypt32/unixlib.c
+++ b/dlls/crypt32/unixlib.c
@@ -695,6 +695,8 @@ const unixlib_entry_t __wine_unix_call_funcs[] =
     enum_root_certs,
 };
 
+C_ASSERT( ARRAYSIZE(__wine_unix_call_funcs) == unix_funcs_count );
+
 #ifdef _WIN64
 
 typedef ULONG PTR32;
@@ -796,4 +798,6 @@ const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
     wow64_enum_root_certs,
 };
 
+C_ASSERT( ARRAYSIZE(__wine_unix_call_wow64_funcs) == unix_funcs_count );
+
 #endif  /* _WIN64 */