diff --git a/README.md b/README.md
index 71a1acc..982b5ad 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ As the name of the project suggests, the main focus is servers used in Rizon IRC
 
 5. Voilà! Now you can open your favorite irc client, and connect using `/server <your_ip> 666x`, where **x** is the index of the ircd server you want to connect to. The ircd servers in your config file are numbered starting from zero, so the first ircd server is listening on port 6660, the second (if any) on port 6661, and so on.
 
+*Note: If you're on OSX, install `gnu-sed` using [Homebrew](http://brew.sh/)*
+
 ## Full command help for the brave ones
 The syntax of the script is:
 
diff --git a/rizon-docker.sh b/rizon-docker.sh
index 2bae1c2..3e3c14f 100755
--- a/rizon-docker.sh
+++ b/rizon-docker.sh
@@ -1,14 +1,22 @@
 #!/bin/bash
 
 
+# gnu-sed is named gsed on OSX
+if hash gsed 2>/dev/null; then
+    SED=gsed
+else
+    SED=sed
+fi
+
+
 # Internal function
 function replace_branchcommit {
     if [ -n "$1" ]; then
         BRANCH="${1%%:*}"
         COMMIT="${1##*:}"
-        sed -i "s|#___gitbranch___||;s|___branch___|${BRANCH}|" ${2}/Dockerfile
+        $SED -i "s|#___gitbranch___||;s|___branch___|${BRANCH}|" ${2}/Dockerfile
         if [ -n "$COMMIT" ]; then
-            sed -i "s|#___gitcommit___||;s|___commit___|${COMMIT}|" ${2}/Dockerfile
+            $SED -i "s|#___gitcommit___||;s|___commit___|${COMMIT}|" ${2}/Dockerfile
         fi
     fi
 }
@@ -23,33 +31,33 @@ function ircd_templater {
 	rm -f tmp/ircd${1}_clines.conf tmp/ircd${1}_info.conf ${2}/Dockerfile
 	touch tmp/ircd${1}_clines.conf
 	if [ ${!ishub} -eq 1 ]; then
-		sed 's/^#//g' "${2}/clines.conf.template" > tmp/clines.conf.template
-		sed "s/___is_hub___/yes/" "${2}/server_info.conf.template" > tmp/ircd${1}_info.conf
+		$SED 's/^#//g' "${2}/clines.conf.template" > tmp/clines.conf.template
+		$SED "s/___is_hub___/yes/" "${2}/server_info.conf.template" > tmp/ircd${1}_info.conf
 	else
 		cp "${2}/clines.conf.template" tmp/clines.conf.tempate
-		sed "s/___is_hub___/no/" "${2}/server_info.conf.template" > tmp/ircd${1}_info.conf
+		$SED "s/___is_hub___/no/" "${2}/server_info.conf.template" > tmp/ircd${1}_info.conf
 	fi
-	sed -i "s/___server_index___/${1}/g" tmp/ircd${1}_info.conf
+	$SED -i "s/___server_index___/${1}/g" tmp/ircd${1}_info.conf
 	if [ $1 -eq 0 ]; then
 		# Allow SSL ports in server_0_ircd
-		sed -i 's/^#___ssl___//g' tmp/ircd${1}_info.conf
+		$SED -i 's/^#___ssl___//g' tmp/ircd${1}_info.conf
 	fi
-	for i in `echo ${!serverlinks} | sed 's/,/ /g'`; do
-		sed "s/___server_index___/${i}/g" tmp/clines.conf.template >> tmp/ircd${1}_clines.conf
+	for i in `echo ${!serverlinks} | $SED 's/,/ /g'`; do
+		$SED "s/___server_index___/${i}/g" tmp/clines.conf.template >> tmp/ircd${1}_clines.conf
 	done
-	sed "s/___server_index___/${1}/g" ${2}/Dockerfile.template > ${2}/Dockerfile
+	$SED "s/___server_index___/${1}/g" ${2}/Dockerfile.template > ${2}/Dockerfile
 	if [ $1 -eq 0 -a $SERVER_0_SERVICES != "none" ]; then
-		sed -i "s/___services_included___/services_cline.conf/g" ${2}/Dockerfile
+		$SED -i "s/___services_included___/services_cline.conf/g" ${2}/Dockerfile
 	else
-		sed -i "s/___services_included___//g" ${2}/Dockerfile
+		$SED -i "s/___services_included___//g" ${2}/Dockerfile
 	fi
 	if [ $1 -eq 0 -a $SERVER_0_ACID -eq 1 ]; then
-		sed -i "s/___acid_included___/acid_cline.conf/g" ${2}/Dockerfile
+		$SED -i "s/___acid_included___/acid_cline.conf/g" ${2}/Dockerfile
 	else
-		sed -i "s/___acid_included___//g" ${2}/Dockerfile
+		$SED -i "s/___acid_included___//g" ${2}/Dockerfile
 	fi
 	if [ $1 -eq 0 ]; then
-		sed -i 's/^#EXPOSE/EXPOSE/' ${2}/Dockerfile
+		$SED -i 's/^#EXPOSE/EXPOSE/' ${2}/Dockerfile
 	fi
 	replace_branchcommit "${!gitbranch}" $2
 	cp tmp/ircd${1}_info.conf ${2}/