diff --git a/hw/xfree86/parser/Makefile.am b/hw/xfree86/parser/Makefile.am
index a5adc01ee..fb5d49e88 100644
--- a/hw/xfree86/parser/Makefile.am
+++ b/hw/xfree86/parser/Makefile.am
@@ -31,7 +31,7 @@ libxf86config_internal_la_SOURCES = \
 	$(INTERNAL_SOURCES)
 
 libxf86config_a_SOURCES = \
-	$(TOP_SRCDIR)/os/xprintf.c \
+	$(top_srcdir)/os/xprintf.c \
 	$(INTERNAL_SOURCES)
 libxf86config_a_CFLAGS = $(AM_CFLAGS)