diff --git a/tests-clar/filter/blob.c b/tests-clar/filter/blob.c
index 916721e12..9600a9779 100644
--- a/tests-clar/filter/blob.c
+++ b/tests-clar/filter/blob.c
@@ -12,7 +12,7 @@ void test_filter_blob__initialize(void)
 		"*.lf text eol=lf\n"
 		"*.ident text ident\n"
 		"*.identcrlf ident text eol=crlf\n"
-		"*.identlf ident text eol.lf\n");
+		"*.identlf ident text eol=lf\n");
 }
 
 void test_filter_blob__cleanup(void)
diff --git a/tests-clar/filter/custom.c b/tests-clar/filter/custom.c
index 4a2ff9fc4..a2752efa4 100644
--- a/tests-clar/filter/custom.c
+++ b/tests-clar/filter/custom.c
@@ -50,7 +50,8 @@ void test_filter_custom__initialize(void)
 		"empty_standard_repo/.gitattributes",
 		"hero* bitflip reverse\n"
 		"herofile text\n"
-		"heroflip -reverse\n");
+		"heroflip -reverse binary\n"
+		"*.bin binary\n");
 }
 
 void test_filter_custom__cleanup(void)
@@ -229,6 +230,15 @@ void test_filter_custom__can_register_a_custom_filter_in_the_repository(void)
 
 	cl_git_pass(git_filter_list_load(
 		&fl, g_repo, NULL, "herocorp", GIT_FILTER_TO_WORKTREE));
+	/* expect: bitflip, reverse - possibly crlf depending on global config */
+	{
+		size_t flen = git_filter_list_length(fl);
+		cl_assert(flen == 2 || flen == 3);
+	}
+	git_filter_list_free(fl);
+
+	cl_git_pass(git_filter_list_load(
+		&fl, g_repo, NULL, "hero.bin", GIT_FILTER_TO_WORKTREE));
 	/* expect: bitflip, reverse */
 	cl_assert_equal_sz(2, git_filter_list_length(fl));
 	git_filter_list_free(fl);
@@ -240,7 +250,7 @@ void test_filter_custom__can_register_a_custom_filter_in_the_repository(void)
 	git_filter_list_free(fl);
 
 	cl_git_pass(git_filter_list_load(
-		&fl, g_repo, NULL, "doesntapplytome", GIT_FILTER_TO_WORKTREE));
+		&fl, g_repo, NULL, "doesntapplytome.bin", GIT_FILTER_TO_WORKTREE));
 	/* expect: none */
 	cl_assert_equal_sz(0, git_filter_list_length(fl));
 	git_filter_list_free(fl);