diff --git a/polymer/eduke32/build/include/compat.h b/polymer/eduke32/build/include/compat.h
index bc8779552..66b66faa3 100644
--- a/polymer/eduke32/build/include/compat.h
+++ b/polymer/eduke32/build/include/compat.h
@@ -587,6 +587,7 @@ static inline uint16_t system_15bit_rand(void) { return ((uint16_t)rand())&0x7ff
 # define Bgetcwd getcwd
 # define Bgetenv getenv
 # define Btime() time(NULL)
+# define Butime utime
 
 #else
 
diff --git a/polymer/eduke32/build/src/util/kextract.c b/polymer/eduke32/build/src/util/kextract.c
index f0fd951ac..386dec5e7 100644
--- a/polymer/eduke32/build/src/util/kextract.c
+++ b/polymer/eduke32/build/src/util/kextract.c
@@ -7,6 +7,8 @@
 
 #include "compat.h"
 
+#include <utime.h>
+
 #define MAXFILES 4096
 
 static char buf[65536];
@@ -36,6 +38,7 @@ void findfiles(const char *dafilespec)
 int main(int argc, char **argv)
 {
     int i, j, k, l, fil, fil2;
+    struct Bstat stbuf;
 
     int onlylist = (argc==2);
 
@@ -126,6 +129,9 @@ int main(int argc, char **argv)
         return(0);
     }
 
+    if (Bfstat(fil, &stbuf) == -1)
+        stbuf.st_mtime = 0;
+
     for(i=0;i<numfiles;i++)
     {
         if (marked4extraction[i] == 0) continue;
@@ -152,6 +158,16 @@ int main(int argc, char **argv)
             }
         }
         Bclose(fil2);
+
+        if (stbuf.st_mtime != 0)
+        {
+            struct utimbuf times;
+
+            times.modtime = stbuf.st_mtime;
+            times.actime = Btime();
+
+            Butime(filelist[i],&times);
+        }
     }
     Bclose(fil);
 
diff --git a/polymer/eduke32/package/samples/dump_used_assets.m32 b/polymer/eduke32/package/samples/dump_used_assets.m32
index ad8a8320e..352e2637a 100644
--- a/polymer/eduke32/package/samples/dump_used_assets.m32
+++ b/polymer/eduke32/package/samples/dump_used_assets.m32
@@ -5,7 +5,7 @@
     enableevent all
 
     Open your map.
-    In 2D mode, press CTRL+C to search for the tiles and sounds used in the current map.
+    In 2D mode, press CTRL+V to search for the tiles and sounds used in the current map.
     You can set the gamevar "verbose" to 1 if you want verbose .csv formatted information that would normally clog up the output.
     Tip: With pk_quickmapcycling enabled, Ctrl-(LShift-)X loads the next (previous) map in a directory.