diff --git a/src/shellpop.zig b/src/shellpop.zig
index 3b9e97c..ad39c49 100644
--- a/src/shellpop.zig
+++ b/src/shellpop.zig
@@ -139,6 +139,7 @@ const ShellPopcon = struct {
 
         const result = ShellSections.init(self.allocator, topShells);
         const allocator = self.allocator;
+        self.deinit();
         self.* = init(allocator);
         return result;
     }