diff --git a/compare.sh b/compare.sh
index 27f8a4cab..137db6705 100755
--- a/compare.sh
+++ b/compare.sh
@@ -3,9 +3,9 @@
 
 # create baserom.txt if necessary
 if [ ! -f baserom.txt ]; then
-    hexdump -C baserom.gbc >> baserom.txt
+    hexdump -C baserom.gbc > baserom.txt
 fi
 
-hexdump -C pokecrystal.gbc >> pokecrystal.txt
+hexdump -C pokecrystal.gbc > pokecrystal.txt
 
 diff baserom.txt pokecrystal.txt | less