diff --git a/source/sw/src/game.cpp b/source/sw/src/game.cpp
index 5b816a0dc..f7c6f8e83 100644
--- a/source/sw/src/game.cpp
+++ b/source/sw/src/game.cpp
@@ -52,6 +52,7 @@ Things required to make savegames work:
 #include "names2.h"
 #include "panel.h"
 #include "game.h"
+#include "interp.h"
 #include "tags.h"
 #include "sector.h"
 #include "sprite.h"
@@ -943,6 +944,7 @@ void InitLevelGlobals(void)
     AnimCnt = 0;
     left_foot = FALSE;
     screenpeek = myconnectindex;
+    numinterpolations = short_numinterpolations = 0;
 
     gNet.TimeLimitClock = gNet.TimeLimit;