diff --git a/2004/kopczynski/Makefile b/2004/kopczynski/Makefile
index 589fed63c..a4fdf241e 100644
--- a/2004/kopczynski/Makefile
+++ b/2004/kopczynski/Makefile
@@ -66,7 +66,8 @@ CINCLUDE=
 
 # Optimization
 #
-OPT=
+# We DISABLE the optimiser because having it enabled BREAKS the program.
+OPT= -O0
 
 # Default flags for ANSI C compilation
 #
@@ -129,8 +130,10 @@ all: data ${TARGET}
 	clean clobber install love haste waste maker easter_egg \
 	sandwich supernova deep_magic magic charon pluto
 
+# NOTE: We FORCE the use of -O0 even if someone overrides it because this entry
+# will not work with it enabled.
 ${PROG}: ${PROG}.c
-	${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
+	${CC} ${CFLAGS} -O0 $< -o $@ ${LDFLAGS}
 
 # alternative executable
 #
diff --git a/2004/kopczynski/README.md b/2004/kopczynski/README.md
index 2ffcef98c..8d585eae1 100644
--- a/2004/kopczynski/README.md
+++ b/2004/kopczynski/README.md
@@ -4,6 +4,9 @@
 make
 ```
 
+NOTE: We FORCE the use of -O0 even if someone overrides it because this entry
+will not work with it enabled.
+
 
 ## To use:
 
@@ -15,22 +18,9 @@ make
 ### Try:
 
 ```sh
-./kopczynski < kopczynski-8a
-./kopczynski < kopczynski-8b
-./kopczynski < kopczynski-8c
-./kopczynski < kopczynski-9
-./kopczynski < kopczynski-10
-./kopczynski < kopczynski-11
+./try
 ```
 
-Also try:
-
-```sh
-./kopczynski < kopczynski-a
-```
-
-What happens?
-
 What happens if you feed the program source to the program? Can you figure out
 why?
 
@@ -38,7 +28,9 @@ why?
 ## Alternate code:
 
 The judges modified the program to print its result.  The original
-program returned the result as an exit code:
+program returned the result as an exit code which is what the alternate version
+does.
+
 
 ### Alternate build: