diff --git a/Makefile.config.in b/Makefile.config.in
index de17972bf..225032001 100644
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -6,6 +6,7 @@
 SHELL = @SHELL@
 
 top_srcdir = $(path_to_top)/@top_srcdir@
+srcdir = $(top_srcdir)/$(shell pwd | sed 's!.*/\($(shell echo $(path_to_top) | sed 's!\.\.![^/]*!')\)$$!\1!')
 top_builddir = $(path_to_top)
 prefix = @prefix@
 exec_prefix = @exec_prefix@