diff --git a/src/glx/tests/Makefile.am b/src/glx/tests/Makefile.am
index a41759b863e..aab93e732a3 100644
--- a/src/glx/tests/Makefile.am
+++ b/src/glx/tests/Makefile.am
@@ -5,6 +5,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/src \
 	-I$(top_srcdir)/src/mapi \
 	-I$(top_srcdir)/src/mesa \
+	-I$(top_builddir)/src/glx \
 	-I$(top_srcdir)/src/glx \
 	-I$(top_srcdir)/include \
 	-I$(top_srcdir)/include/GL/internal \
diff --git a/src/glx/tests/enum_sizes.cpp b/src/glx/tests/enum_sizes.cpp
index 20fc75879c0..6119dcbc43a 100644
--- a/src/glx/tests/enum_sizes.cpp
+++ b/src/glx/tests/enum_sizes.cpp
@@ -36,7 +36,7 @@
 #include <gtest/gtest.h>
 #include <GL/gl.h>
 extern "C" {
-#include "../indirect_size.h"
+#include "indirect_size.h"
 }
 
 TEST(ValidEnumSizes, CallLists)