diff --git a/Makefile.in b/Makefile.in
index 4d494bd4a..189ebeb74 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -30,6 +30,7 @@ VERSION = 0.9.devel
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 srcdir = @srcdir@
+datarootdir = @datarootdir@
 
 SUBDIRS = @subdirs@
 
diff --git a/driver-vpi/Makefile.in b/driver-vpi/Makefile.in
index d166d562f..f9cd6def6 100644
--- a/driver-vpi/Makefile.in
+++ b/driver-vpi/Makefile.in
@@ -26,6 +26,7 @@ VERSION = 0.8.3
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 srcdir = @srcdir@
+datarootdir = @datarootdir@
 
 VPATH = $(srcdir)
 
diff --git a/driver/Makefile.in b/driver/Makefile.in
index 585922d35..c3bbca5ed 100644
--- a/driver/Makefile.in
+++ b/driver/Makefile.in
@@ -26,6 +26,7 @@ VERSION = 0.8
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 srcdir = @srcdir@
+datarootdir = @datarootdir@
 
 VPATH = $(srcdir)
 
diff --git a/vvp/Makefile.in b/vvp/Makefile.in
index b2123cb16..5998e85a5 100644
--- a/vvp/Makefile.in
+++ b/vvp/Makefile.in
@@ -24,6 +24,7 @@ SHELL = /bin/sh
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 srcdir = @srcdir@
+datarootdir = @datarootdir@
 
 VPATH = $(srcdir)