diff --git a/runScript.c b/runScript.c
index ff6543f..fc27362 100644
--- a/runScript.c
+++ b/runScript.c
@@ -26,11 +26,8 @@
 
 #if defined (_WIN32)
 #include "asprintf.h"
-
 #endif
 
-#define IS_ABS_PATH(filename) (filename[0] == '/')  /* may be different for other OS */
-
 #ifdef BASE_VERSION
 #define EPICS_3_13
 extern char** ppGlobalEnviron;
@@ -45,6 +42,8 @@ epicsShareFunc int epicsShareAPI iocshCmd(const char *cmd);
 #include <epicsExport.h>
 #endif
 
+#define IS_ABS_PATH(filename) (filename[0] == OSI_PATH_SEPARATOR[0])  /* may be different for other OS ? */
+
 #include "require.h"
 
 int runScriptDebug=0;
@@ -167,9 +166,7 @@ int runScript(const char* filename, const char* args)
         return -1;
     }
     
-    pairs = (char*[]){ "", "environ", NULL, NULL };
-
-    if (macCreateHandle(&mac, pairs) != 0) goto error;
+    if (macCreateHandle(&mac,(char*[]){ "", "environ", NULL, NULL }) != 0) goto error;
     macSuppressWarning(mac, 1);
 #ifdef EPICS_3_13
     /* Have no environment macro substitution, thus load envionment explicitly */