diff --git a/source/blood/src/db.cpp b/source/blood/src/db.cpp
index b54b6e8e8..652756ed3 100644
--- a/source/blood/src/db.cpp
+++ b/source/blood/src/db.cpp
@@ -1298,7 +1298,7 @@ int dbSaveMap(const char *pPath, int nX, int nY, int nZ, short nAngle, short nSe
     {
         nSize += sizeof(MAPHEADER2);
     }
-    for (int i = 0; i < nSpriteNum; i++)
+    for (int i = 0; i < gSkyCount; i++)
         tpskyoff[i] = pSky->tileofs[i];
     nSize += gSkyCount*sizeof(tpskyoff[0]);
     nSize += sizeof(sectortype)*numsectors;
diff --git a/source/build/include/build.h b/source/build/include/build.h
index d1ee7676c..4fafc6fc6 100644
--- a/source/build/include/build.h
+++ b/source/build/include/build.h
@@ -876,6 +876,8 @@ EXTERN char show2dsector[(MAXSECTORS+7)>>3];
 EXTERN char show2dwall[(MAXWALLS+7)>>3];
 EXTERN char show2dsprite[(MAXSPRITES+7)>>3];
 
+EXTERN char wallcstat14[(MAXWALLS+7)>>3];
+
 // In the editor, gotpic is only referenced from inline assembly;
 // the compiler needs that hint or building with LTO will discard it.
 #if !defined __clang__ && !defined NOASM