diff --git a/src/input.cpp b/src/input.cpp
index 3898ac60b6..0d26d91b10 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -175,6 +175,7 @@ Input::~Input()
   delete[] labelstr;
   memory->sfree(arg);
   delete[] infiles;
+  delete[] inlines;
   delete variable;
 
   delete command_map;