diff --git a/src/execution/execution.c b/src/execution/execution.c
index cf751f7..be3b378 100644
--- a/src/execution/execution.c
+++ b/src/execution/execution.c
@@ -40,6 +40,8 @@ int execution(struct ast *ast, struct hash_map *vars)
         return exec_ast_list(ast_get_list(ast), vars);
     case AST_AND_OR:
         return exec_ast_and_or(ast_get_and_or(ast), vars);
+    case AST_ASSIGNMENT:
+        return exec_ast_assignment(ast_get_assignment(ast), vars);
     default:
         return 127;
     }
diff --git a/src/execution/execution_helpers.c b/src/execution/execution_helpers.c
index 9e44dfa..c77c9b3 100644
--- a/src/execution/execution_helpers.c
+++ b/src/execution/execution_helpers.c
@@ -203,6 +203,13 @@ int exec_ast_command(struct ast_command *command, struct hash_map *vars)
     return 1;
 }
 
+
+int exec_ast_assignment(struct ast_assignment *assign, struct hash_map *vars)
+{
+    set_var_copy(vars, assign->name, assign->value);
+    return 0;
+}
+
 int exec_ast_if(struct ast_if *if_node, struct hash_map *vars)
 {
     int cond = execution(if_node->condition, vars);
diff --git a/src/execution/execution_helpers.h b/src/execution/execution_helpers.h
index 622c9fe..9fbe90a 100644
--- a/src/execution/execution_helpers.h
+++ b/src/execution/execution_helpers.h
@@ -8,7 +8,7 @@ int exec_ast_command(struct ast_command *command, struct hash_map *vars);
 int exec_ast_if(struct ast_if *if_node, struct hash_map *vars);
 int exec_ast_list(struct ast_list *list_node, struct hash_map *vars);
 int exec_ast_and_or(struct ast_and_or *ao_node, struct hash_map *vars);
+int exec_ast_assignment(struct ast_assignment *assign, struct hash_map *vars);
 
 void unset_all_redir(struct list *redir_list);
-
 #endif // EXECUTION_HELPERS_H