diff --git a/Pcap-VMS/pcap-vci/snprintf.c b/Pcap-VMS/pcap-vci/snprintf.c
index 33cee60e..1af52f08 100644
--- a/Pcap-VMS/pcap-vci/snprintf.c
+++ b/Pcap-VMS/pcap-vci/snprintf.c
@@ -187,8 +187,12 @@
 #if __CRTL_VER >= 70312000
 #define HAVE_SNPRINTF
 #else
+#ifdef __DECC_VER
+#if __DECC_VER > 60590001
 #pragma message disable NOTINCRTL
 #endif
+#endif
+#endif
 
 /* Define HAVE_SNPRINTF if your system already has snprintf and vsnprintf.
  *
diff --git a/Pcap-VMS/pcap-vci/snprintf.h b/Pcap-VMS/pcap-vci/snprintf.h
index 5edfed5a..ddcd24ef 100644
--- a/Pcap-VMS/pcap-vci/snprintf.h
+++ b/Pcap-VMS/pcap-vci/snprintf.h
@@ -7,8 +7,12 @@
 #if __CRTL_VER >= 70312000
 #define HAVE_SNPRINTF
 #else
+#ifdef __DECC_VER
+#if __DECC_VER > 60590001
 #pragma message disable NOTINCRTL
 #endif
+#endif
+#endif
 
 #ifdef HAVE_SNPRINTF
 #include <stdio.h>