diff --git a/create_makefile.sh b/create_makefile.sh
index 5616e16da50e7cedbe00e173e07fe2471388cbfd..8a7176c66651a95e7d3d3c238a62ba187b28c35f 100755
--- a/create_makefile.sh
+++ b/create_makefile.sh
@@ -1,7 +1,7 @@
 #!/bin/bash 
 
 # options passed to `find` for locating relevant source files
-FIND_OPTS=( . -name '*.v' ! -name '*#*' ! -path './.git/*' )
+FIND_OPTS=( . -name '*.v' ! -name '*#*' ! -path './.git/*' ! -path './with-proof-state/*' )
 
 while ! [ -z "$1" ]
 do