diff --git a/configure.ac b/configure.ac
index a397d47d9..fa480039c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -390,5 +390,26 @@ then
 AC_MSG_ERROR(cannot configure white space in libdir: $libdir)
 fi
 AC_MSG_RESULT(ok)
-AC_CONFIG_FILES([Makefile ivlpp/Makefile vhdlpp/Makefile vvp/Makefile vpi/Makefile driver/Makefile driver-vpi/Makefile cadpli/Makefile libveriuser/Makefile tgt-null/Makefile tgt-stub/Makefile tgt-vvp/Makefile tgt-vhdl/Makefile tgt-fpga/Makefile tgt-verilog/Makefile tgt-pal/Makefile tgt-vlog95/Makefile tgt-pcb/Makefile tgt-blif/Makefile tgt-sizer/Makefile])
+AC_CONFIG_FILES([
+    Makefile
+    cadpli/Makefile
+    driver-vpi/Makefile
+    driver/Makefile
+    ivlpp/Makefile
+    libveriuser/Makefile
+    tgt-blif/Makefile
+    tgt-fpga/Makefile
+    tgt-null/Makefile
+    tgt-pal/Makefile
+    tgt-pcb/Makefile
+    tgt-sizer/Makefile
+    tgt-stub/Makefile
+    tgt-verilog/Makefile
+    tgt-vhdl/Makefile
+    tgt-vlog95/Makefile
+    tgt-vvp/Makefile
+    vhdlpp/Makefile
+    vpi/Makefile
+    vvp/Makefile
+])
 AC_OUTPUT