diff --git a/src/goto-programs/goto_functions_template.h b/src/goto-programs/goto_functions_template.h
index 679bfc0eebf..b8bc9df0c60 100644
--- a/src/goto-programs/goto_functions_template.h
+++ b/src/goto-programs/goto_functions_template.h
@@ -16,6 +16,7 @@ Date: June 2003
 
 #include <ostream>
 #include <cassert>
+#include <algorithm>
 
 #include <util/std_types.h>
 #include <util/symbol.h>
@@ -166,8 +167,18 @@ void goto_functions_templatet<bodyT>::output(
   const namespacet &ns,
   std::ostream &out) const
 {
+  std::vector<irep_idt> sorted_names;
+  sorted_names.reserve(function_map.size());
   for(const auto &fun : function_map)
-  {
+    sorted_names.push_back(fun.first);
+  std::sort(
+    sorted_names.begin(),
+    sorted_names.end(),
+    [](const irep_idt &a, const irep_idt &b)
+    { return as_string(a)<as_string(b); });
+  for(const auto &name : sorted_names)
+  {
+    const auto &fun=*function_map.find(name);
     if(fun.second.body_available())
     {
       out << "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\n";
diff --git a/src/util/symbol_table.cpp b/src/util/symbol_table.cpp
index a7e006f9d33..f566f03b381 100644
--- a/src/util/symbol_table.cpp
+++ b/src/util/symbol_table.cpp
@@ -3,6 +3,7 @@
 #include "symbol_table.h"
 
 #include <ostream>
+#include <algorithm>
 #include <util/invariant.h>
 
 
@@ -80,10 +81,18 @@ bool symbol_tablet::remove(const irep_idt &name)
 /// \param out: The ostream to direct output to
 void symbol_tablet::show(std::ostream &out) const
 {
+  std::vector<irep_idt> sorted_names;
+  sorted_names.reserve(symbols.size());
+  for(const auto &elem : symbols)
+    sorted_names.push_back(elem.first);
+  std::sort(
+    sorted_names.begin(),
+    sorted_names.end(),
+    [](const irep_idt &a, const irep_idt &b)
+    { return as_string(a)<as_string(b); });
   out << "\n" << "Symbols:" << "\n";
-
-  forall_symbols(it, symbols)
-    out << it->second;
+  for(const auto &name : sorted_names)
+    out << symbols.at(name);
 }
 
 /// Print the contents of the symbol table