diff -Nru exim-4.86.orig/OS/Makefile-Base exim-4.86/OS/Makefile-Base
--- exim-4.86.orig/OS/Makefile-Base	2015-07-27 09:39:41.642108689 +0200
+++ exim-4.86/OS/Makefile-Base	2015-07-27 09:41:21.145237745 +0200
@@ -481,7 +481,7 @@
 
 # Update Exim's version information and build the version object.
 
-version.h::
+version.h:
 	@../scripts/reversion
 
 cnumber.h: version.h
diff -Nru exim-4.86.orig/src/version.sh exim-4.86/src/version.sh
--- exim-4.86.orig/src/version.sh	2015-07-27 09:39:41.645441903 +0200
+++ exim-4.86/src/version.sh	2015-07-27 09:41:21.145237745 +0200
@@ -1,4 +1,4 @@
 # automatically generated file - see ../scripts/reversion
 EXIM_RELEASE_VERSION=4.86
-EXIM_VARIANT_VERSION=_2
+EXIM_VARIANT_VERSION=.2
 EXIM_COMPILE_NUMBER=0