diff --git a/src/mesa/main/vsnprintf.c b/src/mesa/main/vsnprintf.c
index d86dbfe7a03..ab6c740d772 100644
--- a/src/mesa/main/vsnprintf.c
+++ b/src/mesa/main/vsnprintf.c
@@ -24,7 +24,9 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/param.h>
+#ifndef __VMS
+# include <sys/param.h>
+#endif
 #include <sys/types.h>
 #include <sys/mman.h>
 #include <signal.h>