diff --git a/.gitignore b/.gitignore
index dd51575..c59f1ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ lexical/example
 lexical/flux
 lexical/string
 *.c
+*.o
diff --git a/exclude-executables.sh b/exclude-executables.sh
index 9c4d224..58b57de 100755
--- a/exclude-executables.sh
+++ b/exclude-executables.sh
@@ -1,3 +1,4 @@
 #!/bin/sh
-find . -perm /111 -type f | sed 's#^./##' | sort > .gitignore
+find . -perm /111 -type f -not -path "./.git/*" | sed 's#^./##' | sort > .gitignore
 echo "*.c" >> .gitignore
+echo "*.o" >> .gitignore