diff --git a/Makefile.am b/Makefile.am
index 2ebbbe0..8ae80d9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,7 +10,7 @@ consistency:
 	$(top_srcdir)/libcpuid/check-consistency.py $(top_srcdir)/libcpuid
 
 test:
-	$(top_srcdir)/tests/run_tests.py $(top_srcdir)/cpuid_tool/cpuid_tool $(top_srcdir)/tests
+	$(top_srcdir)/tests/run_tests.py $(top_builddir)/cpuid_tool/cpuid_tool $(top_srcdir)/tests
 
 fix-tests:
-	$(top_srcdir)/tests/run_tests.py $(top_srcdir)/cpuid_tool/cpuid_tool $(top_srcdir)/tests --fix
+	$(top_srcdir)/tests/run_tests.py $(top_builddir)/cpuid_tool/cpuid_tool $(top_srcdir)/tests --fix