diff --git a/include/builtins.h b/include/builtins.h
index 8b6bd27..d94867a 100644
--- a/include/builtins.h
+++ b/include/builtins.h
@@ -29,4 +29,6 @@ Lisp editorOpenFile(Lisp args, LispError *e, LispContext ctx);
 
 Lisp editorPrintC(Lisp args, LispError *e, LispContext ctx);
 
+Lisp addPackage(Lisp args, LispError *e, LispContext ctx);
+
 #endif
diff --git a/install.sh b/install.sh
index d441165..ddf59b0 100755
--- a/install.sh
+++ b/install.sh
@@ -17,11 +17,19 @@ fi
 echo "Create config files ..."
 mkdir -pv ~/.beluga/
 cp -rv ./assets/ ~/.beluga/
-cp -rv ./config/ ~/.beluga/
+mkdir -pv ~/.beluga/packages/
+
+read -p "Do you want to replace your config file or keep it (init.lisp.bak) / (init.lisp.new) ? (Y/n)" confirm
+if [[ "$confirm" =~ ^[Yy]$ ]]; then
+    mv ~/.beluga/config/init.lisp  ~/.beluga/config/init.lisp.bak
+    cp -rv ./config/init.lisp ~/.beluga/config/
+else
+    cp -rv ./config/init.lisp ~/.beluga/config/init.lisp.new
+fi
+
 
 # Compile the project
 
-
 echo "Start compilation ..."
 meson setup build/
 meson compile -C build/
diff --git a/src/builtins.c b/src/builtins.c
index 8ff9d7c..47a52f7 100644
--- a/src/builtins.c
+++ b/src/builtins.c
@@ -27,7 +27,6 @@ Lisp mapKey(Lisp args, LispError *e, LispContext ctx) {
 }
 
 Lisp moveCursor(Lisp args, LispError *e, LispContext ctx) {
-  fprintf(stderr, "Cursor is moving\n");
   const char *direction = lisp_string(lisp_car(args));
   switch (direction[0]) {
   case 'u':
@@ -134,8 +133,25 @@ Lisp editorOpenFile(Lisp args, LispError *e, LispContext ctx) {
 
 
 Lisp editorPrintC(Lisp args, LispError *e, LispContext ctx) {
-  char c = lisp_char(lisp_car(args));
+  char c = lisp_string(lisp_car(args))[0];
   editorInsertChar(c);
   return lisp_null();
 }
 
+Lisp addPackage(Lisp args, LispError *e, LispContext ctx) {
+  const char *package_name = lisp_string(lisp_car(args));
+  char *package_dir = (char *) calloc(256, sizeof(char));
+  FILE *fd_package = NULL;
+  strcat(package_dir, getenv("HOME"));
+  strcat(package_dir, "/.beluga/packages/");
+  strcat(package_dir, package_name);
+  strcat(package_dir, "/init.lisp");
+  fd_package = fopen(package_dir, "r");
+  lisp_eval(lisp_read_file(fd_package, &E.ctx_error, E.ctx), &E.ctx_error,
+            E.ctx);
+  fclose(fd_package);
+  free(package_dir);
+  
+  return lisp_null();
+  
+}
diff --git a/src/init.c b/src/init.c
index 23c5eb1..561c79e 100644
--- a/src/init.c
+++ b/src/init.c
@@ -31,6 +31,7 @@ void initBuiltins() {
   registerBuiltin("MOVE-CURSOR-PAGE-DOWN", editorMoveCursorPageDown);
   registerBuiltin("EDITOR-OPEN-FILE", editorOpenFile);
   registerBuiltin("EDITOR-INSERT-CHAR", editorPrintC);
+  registerBuiltin("ADD-PACKAGE", addPackage);
 }
 
 void initEditor() {