diff --git a/src/exec.cpp b/src/exec.cpp
index 2521517..ff3f20d 100644
--- a/src/exec.cpp
+++ b/src/exec.cpp
@@ -260,10 +260,10 @@ int exec_process(std::string const& runtime, std::vector<std::string> const& arg
   }
   catch(std::runtime_error& e)
   {
-    fclose(ffd);
-    unlink(fifopath.c_str());
     if(pid != 0)
       kill(pid, SIGINT);
+    fclose(ffd);
+    unlink(fifopath.c_str());
     throw e;
   }
 
diff --git a/src/main.cpp b/src/main.cpp
index 665df43..94f83b9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -139,6 +139,8 @@ int main(int argc, char* argv[])
       ctx = make_context(filecontents, file, parse_bash);
       if(is_exec)
       {
+        delete sh;
+        sh = nullptr;
         args.erase(args.begin());
         return exec_process(shebang.substr(2), args, ctx);
       }