diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 13721b4..7ce2825 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -95,15 +95,14 @@ jobs:
         with:
           luarocksVersion: "3.11.0"
 
-      - name: dependencies
-        run: |
-          luarocks install busted
-
       - name: install
         run: |
-          luarocks remove --force luasystem
           luarocks make
 
+      - name: test dependencies
+        run: |
+          luarocks install busted
+
       - name: test
         run: |
           busted --exclude-tags=manual --Xoutput "--color"
diff --git a/src/time.c b/src/time.c
index 05f4f1b..efa7655 100644
--- a/src/time.c
+++ b/src/time.c
@@ -5,10 +5,10 @@
 
 #include <lua.h>
 #include <lauxlib.h>
+#include <limits.h>
 
 #ifdef _WIN32
 #include <float.h>
-#include <limits.h>
 #include <windows.h>
 #else
 #include <time.h>
@@ -22,7 +22,11 @@
 #define MAC_OS_X_VERSION_10_12 101200
 #endif
 
-#define HAVE_CLOCK_GETTIME   (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12 || defined(CLOCK_MONOTONIC))
+#if (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12 || defined(CLOCK_MONOTONIC))
+#define HAVE_CLOCK_GETTIME 1
+#else
+#define HAVE_CLOCK_GETTIME 0
+#endif
 
 #if !(HAVE_CLOCK_GETTIME)
 #include "time_osx.h"