diff --git a/scripts/install_files.sh b/scripts/install_files.sh
index 30cf3f0..8693e96 100644
--- a/scripts/install_files.sh
+++ b/scripts/install_files.sh
@@ -56,8 +56,16 @@ install_runners() {
     info "Creating the runner scripts..."
     cp "$current/templates/fg42" "$current/../fg42"
     cp "$current/templates/fg42-wm" "$current/../fg42-wm"
-    sed -i'' "s'___FG42_HOME___'$fg42_home'" "$fg42_home/fg42"
-    sed -i'' "s'___FG42_HOME___'$fg42_home'" "$fg42_home/fg42-wm"
+
+    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        sed -i "s'___FG42_HOME___'$fg42_home'" "$fg42_home/fg42"
+        sed -i "s'___FG42_HOME___'$fg42_home'" "$fg42_home/fg42-wm"
+    fi
+
+    if [[ "$OSTYPE" == "darwin"* ]]; then
+        sed -i'' -e "s'___FG42_HOME___'$fg42_home'" "$fg42_home/fg42"
+        sed -i'' -e "s'___FG42_HOME___'$fg42_home'" "$fg42_home/fg42-wm"
+    fi
 
     chmod +x "$fg42_home/fg42"
     chmod +x" $fg42_home/fg42-wm"