diff --git a/src/isql/InputDevices.cpp b/src/isql/InputDevices.cpp
index c630a3998b0..ed66b364f6b 100644
--- a/src/isql/InputDevices.cpp
+++ b/src/isql/InputDevices.cpp
@@ -247,11 +247,18 @@ void InputDevices::saveCommand(const char* statement, const char* term)
 	if (m_ifp.indev_fpointer == stdin)
 	{
 		FILE* f = m_ofp.indev_fpointer;
-		fb_assert(f);
-		fputs(statement, f);
-		fputs(term, f);
-		// Add newline to make the file more readable.
-		fputc('\n', f);
+		if (f)
+		{
+			fputs(statement, f);
+			fputs(term, f);
+			// Add newline to make the file more readable.
+			fputc('\n', f);
+		}
+		else
+		{
+			Command* command = new Command(statement, term);
+			commands.add(command);
+		}
 	}
 }
 
@@ -270,3 +277,27 @@ void InputDevices::gotoEof()
 		fseek(m_ifp.indev_fpointer, 0, SEEK_END);
 }
 
+InputDevices::Command::Command(const char* statement, const char* term)
+	: m_statement(getPool())
+{
+	m_statement = statement;
+	m_statement += term;
+}
+
+void InputDevices::Command::toFile(FILE* f)
+{
+	fputs(m_statement.c_str(), f);
+	// Add newline to make the file more readable.
+	fputc('\n', f);
+}
+
+void InputDevices::commandsToFile(FILE* f)
+{
+	for (unsigned n = 0; n < commands.getCount(); ++n)
+	{
+		commands[n]->toFile(f);
+		delete commands[n];
+	}
+
+	commands.clear();
+}
diff --git a/src/isql/InputDevices.h b/src/isql/InputDevices.h
index 90b37147818..1b4566a8494 100644
--- a/src/isql/InputDevices.h
+++ b/src/isql/InputDevices.h
@@ -27,6 +27,8 @@
 
 #include "../common/classes/fb_string.h"
 #include "../common/os/path_utils.h"
+#include "../common/classes/array.h"
+
 #include <stdio.h>
 
 // This is basically a stack of input files caused by the INPUT command,
@@ -83,12 +85,24 @@ class InputDevices
 	void saveCommand(const char* statement, const char* term);
 	bool readingStdin() const;
 	void gotoEof();
+	void commandsToFile(FILE* fpointer);
 
 private:
 	size_t m_count;
 	indev* m_head;
 	indev m_ifp;
 	indev m_ofp;
+
+	class Command : public Firebird::GlobalStorage
+	{
+	public:
+		Command(const char* statement, const char* term);
+		void toFile(FILE* fpointer);
+	private:
+		Firebird::string m_statement;
+	};
+
+	Firebird::HalfStaticArray<Command*, 32> commands;
 };
 
 
@@ -105,12 +119,12 @@ inline void InputDevices::indev::close()
 
 
 inline InputDevices::InputDevices()
-	: m_count(0), m_head(0), m_ifp(0, "", ""), m_ofp(0, "", "")
+	: m_count(0), m_head(0), m_ifp(0, "", ""), m_ofp(0, "", ""), commands(*getDefaultMemoryPool())
 {
 }
 
-inline InputDevices::InputDevices(Firebird::MemoryPool&)
-	: m_count(0), m_head(0), m_ifp(0, "", ""), m_ofp(0, "", "")
+inline InputDevices::InputDevices(Firebird::MemoryPool& p)
+	: m_count(0), m_head(0), m_ifp(0, "", ""), m_ofp(0, "", ""), commands(p)
 {
 }
 
diff --git a/src/isql/isql.epp b/src/isql/isql.epp
index dfe6ee0c506..2a0aa5918d4 100644
--- a/src/isql/isql.epp
+++ b/src/isql/isql.epp
@@ -4465,7 +4465,10 @@ static processing_state edit(const TEXT* const* cmd)
 			const char* Tmpfile = filename.c_str();
 			FILE* f = fopen(Tmpfile, "w+"); // It was w+b
 			if (f)
+			{
 				Ofp.init(f, Tmpfile, Tmpfile);
+				Filelist->commandsToFile(f);
+			}
 			else
 			{
 				// If we can't open a temp file then bail