diff --git a/src/net.c b/src/net.c
index a8c327908..cc9d097db 100644
--- a/src/net.c
+++ b/src/net.c
@@ -43,7 +43,7 @@
 #endif
 
 #ifdef HAVE_SENDFILE
-#ifdef linux
+#if defined(linux) || defined(__sun)
 #include <sys/sendfile.h>
 #else
 #ifdef __FreeBSD__
@@ -784,7 +784,7 @@ Nsendfile(int fromfd, int tofd, const char *buf, size_t count)
     nleft = count;
     while (nleft > 0) {
 	offset = count - nleft;
-#ifdef linux
+#if defined(linux) || defined(__sun)
 	r = sendfile(tofd, fromfd, &offset, nleft);
 	if (r > 0)
 	    nleft -= r;
@@ -820,7 +820,7 @@ Nsendfile(int fromfd, int tofd, const char *buf, size_t count)
 		return NET_HARDERROR;
 	    }
 	}
-#ifdef linux
+#if defined(linux) || defined(__sun)
 	else if (r == 0)
 	    return NET_SOFTERROR;
 #endif