diff --git a/t/t0050-filesystem.sh b/t/t0050-filesystem.sh
index 66d3647bda..399b45df1f 100755
--- a/t/t0050-filesystem.sh
+++ b/t/t0050-filesystem.sh
@@ -50,6 +50,7 @@ fi
 
 test_expect_success "setup case tests" '
 
+	git config core.ignorecase true &&
 	touch camelcase &&
 	git add camelcase &&
 	git commit -m "initial" &&