diff --git a/lib/Makefile b/lib/Makefile
index 180dd4d0dd412b6119f276e9c45a42386a7182bb..fdeb7e304554038f3f678595f4d6ce56dc06500b 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -31,7 +31,7 @@ obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
 obj-y += string_helpers.o
 obj-$(CONFIG_TEST_STRING_HELPERS) += test-string_helpers.o
 obj-y += hexdump.o
-obj-$(CONFIG_TEST_HEXDUMP) += test-hexdump.o
+obj-$(CONFIG_TEST_HEXDUMP) += test_hexdump.o
 obj-y += kstrtox.o
 obj-$(CONFIG_TEST_BPF) += test_bpf.o
 obj-$(CONFIG_TEST_FIRMWARE) += test_firmware.o
diff --git a/lib/test-hexdump.c b/lib/test_hexdump.c
similarity index 100%
rename from lib/test-hexdump.c
rename to lib/test_hexdump.c