diff --git a/SConstruct b/SConstruct
index 47681b0f2..76beb1973 100644
--- a/SConstruct
+++ b/SConstruct
@@ -826,7 +826,7 @@ class DXXProgram(DXXCommon):
 'main/credits.cpp',
 'main/digiobj.cpp',
 'main/effects.cpp',
-'main/endlevel.c',
+'main/endlevel.cpp',
 'main/fvi.cpp',
 'main/game.cpp',
 'main/gamecntl.cpp',
diff --git a/similar/main/endlevel.c b/similar/main/endlevel.cpp
similarity index 99%
rename from similar/main/endlevel.c
rename to similar/main/endlevel.cpp
index 9cd7825b4..f0b8aa362 100644
--- a/similar/main/endlevel.c
+++ b/similar/main/endlevel.cpp
@@ -21,6 +21,7 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 
 //#define _MARK_ON
 
+#include <algorithm>
 #include <stdlib.h>
 
 
@@ -74,6 +75,9 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 #include "editor/editor.h"
 #endif
 
+using std::min;
+using std::max;
+
 typedef struct flythrough_data {
 	object		*obj;
 	vms_angvec	angles;			//orientation in angles