diff --git a/.vimrc b/.vimrc
index 8867219..25d6883 100644
--- a/.vimrc
+++ b/.vimrc
@@ -272,8 +272,9 @@ if has("cscope")
 	" add any cscope database in current directory
 	if filereadable("cscope.out")
 		cscope add cscope.out
+    endif
 	" add the database pointed by environment variable
-    elseif $CSCOPE_DB != ""
+    if $CSCOPE_DB != ""
         if filereadable($CSCOPE_DB)
 		    cscope add $CSCOPE_DB
         endif
diff --git a/.zsh/host:kirkwood/Environment.zsh b/.zsh/host:kirkwood/Environment.zsh
index a7a4db9..510da86 100755
--- a/.zsh/host:kirkwood/Environment.zsh
+++ b/.zsh/host:kirkwood/Environment.zsh
@@ -21,7 +21,7 @@ export PATH=$OEBASE/bitbake/bin:$PATH
 # Scratchbox
 export PATH=/home/mathieu/bin/sb2/bin:$PATH
 
-
+export CSCOPE_DB=$HOME/cscope/cscope.out
 #emacsAndViKeys
 #bindkey -v
 #bindkey "^P" vi-up-line-or-history
diff --git a/HOWTO_CSCOPEDB b/HOWTO_CSCOPEDB
new file mode 100644
index 0000000..940a1ba
--- /dev/null
+++ b/HOWTO_CSCOPEDB
@@ -0,0 +1,3 @@
+find /my/project/dir -name '*.c' -o -name '*.h' > /foo/cscope.files
+cscope -i /foo/cscope.files
+CSCOPE_DB=/foo/cscope.out; export CSCOPE_DB