diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9b47a5d3..0befa718 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -46,8 +46,9 @@ endif
 ssh-test-plugin: fake_token_path.so
 systemd-tokens-test: fake_token_path.so fake_systemd_tpm_path.so
 
+# Do not use global CFLAGS here as the *.so link does not support sanitizers
 fake_token_path.so:
-	$(CC) $(CFLAGS) $(LDFLAGS) -I $(top_srcdir)/lib -fPIC -shared \
+	$(CC) $(LDFLAGS) -I $(top_srcdir)/lib -fPIC -shared \
 	-Wl,--version-script=$(top_srcdir)/lib/libcryptsetup.sym \
 	-o fake_token_path.so  $(top_srcdir)/tests/fake_token_path.c \
 	-DBUILD_DIR=\"$(abs_top_srcdir)/.libs/\"