diff --git a/src/iodine.c b/src/iodine.c
index e97ae4f..b068f7b 100644
--- a/src/iodine.c
+++ b/src/iodine.c
@@ -65,7 +65,7 @@ usage() {
 	fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] "
 			"[-P password] [-6] [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec] "
 			"[-z context] [-F pidfile] [nameserver] topdomain\n", __progname);
-#elif
+#else
 	fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] "
 			"[-P password] [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec] "
 			"[-z context] [-F pidfile] [nameserver] topdomain\n", __progname);
@@ -82,7 +82,7 @@ help() {
 	fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] "
 			"[-P password] [-6] [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec] "
 			"[-z context] [-F pidfile] [nameserver] topdomain\n", __progname);
-#elif
+#else
 	fprintf(stderr, "Usage: %s [-v] [-h] [-f] [-r] [-u user] [-t chrootdir] [-d device] "
 			"[-P password] [-m maxfragsize] [-M maxlen] [-T type] [-O enc] [-L 0|1] [-I sec] "
 			"[-z context] [-F pidfile] [nameserver] topdomain\n", __progname);
@@ -200,7 +200,7 @@ main(int argc, char **argv)
 
 #ifdef LINUX
 	while ((choice = getopt(argc, argv, "6vfhru:t:d:R:P:m:M:F:T:O:L:I:")) != -1) {
-#elif
+#else
 	while ((choice = getopt(argc, argv, "vfhru:t:d:R:P:m:M:F:T:O:L:I:")) != -1) {
 #endif
 		switch(choice) {
diff --git a/src/iodined.c b/src/iodined.c
index ebc97c1..f72933d 100644
--- a/src/iodined.c
+++ b/src/iodined.c
@@ -2197,7 +2197,7 @@ usage() {
 		"[-l ip address to listen on] [-p port] [-n external ip] "
 		"[-b dnsport] [-P password] [-F pidfile] "
 		"tunnel_ip[/netmask] [tunnel_net6/netmask6] topdomain\n", __progname);
-#elif
+#else
 	fprintf(stderr, "Usage: %s [-v] [-h] [-c] [-s] [-f] [-D] [-u user] "
 		"[-t chrootdir] [-d device] [-m mtu] [-z context] "
 		"[-l ip address to listen on] [-p port] [-n external ip] "
@@ -2217,7 +2217,7 @@ help() {
 		"[-t chrootdir] [-d device] [-m mtu] [-z context] "
 		"[-l ip address to listen on] [-p port] [-n external ip] [-b dnsport] [-P password] "
 		"[-F pidfile] tunnel_ip[/netmask] [tunnel_net6/netmask6] topdomain\n", __progname);
-#elif
+#else
 	fprintf(stderr, "Usage: %s [-v] [-h] [-c] [-s] [-f] [-D] [-u user] "
 		"[-t chrootdir] [-d device] [-m mtu] [-z context] "
 		"[-l ip address to listen on] [-p port] [-n external ip] [-b dnsport] [-P password] "
@@ -2342,7 +2342,7 @@ main(int argc, char **argv)
 
 #ifdef LINUX
 	while ((choice = getopt(argc, argv, "6vcsfhDu:t:d:m:l:p:n:b:P:z:F:")) != -1) {
-#elif
+#else
 	while ((choice = getopt(argc, argv, "vcsfhDu:t:d:m:l:p:n:b:P:z:F:")) != -1) {
 #endif
 		switch(choice) {
@@ -2420,7 +2420,7 @@ main(int argc, char **argv)
 
 #ifdef LINUX
 	if (argc != 2 + v6)
-#elif
+#else
 	if (argc != 2)
 #endif
 		usage();
@@ -2471,7 +2471,7 @@ main(int argc, char **argv)
 
 #ifdef LINUX
 	topdomain = strdup(argv[1 + v6]);
-#elif
+#else
 	topdomain = strdup(argv[1]);
 #endif
 	if (strlen(topdomain) <= 128) {
diff --git a/src/user.c b/src/user.c
index 6249a7a..eff44d5 100644
--- a/src/user.c
+++ b/src/user.c
@@ -40,7 +40,7 @@ unsigned usercount;
 int
 #ifdef LINUX
 init_users(in_addr_t my_ip, int netbits, struct in6_addr my_net6)
-#elif
+#else
 init_users(in_addr_t my_ip, int netbits)
 #endif
 {
diff --git a/src/user.h b/src/user.h
index 384ebab..33e0e1f 100644
--- a/src/user.h
+++ b/src/user.h
@@ -81,7 +81,7 @@ extern struct user *users;
 
 #ifdef LINUX
 int init_users(in_addr_t my_ip, int netbits, struct in6_addr my_net6);
-#elif
+#else
 int init_users(in_addr_t my_ip, int netbits);
 #endif
 const char* users_get_first_ip();