diff --git a/test/cpuid/Makefile b/test/cpuid/Makefile
index 3a0100d2..740b1c4c 100644
--- a/test/cpuid/Makefile
+++ b/test/cpuid/Makefile
@@ -6,5 +6,5 @@ EXTRA_LINK_FLAGS :=
 BIN_ARGS :=
 
 test_cpuid.txt:
-	@/usr/bin/cpuid -r > $@
+	@/usr/bin/cpuid -r -1 > $@
 	@mv $@ $(IMAGE_DIR)/$@