diff --git a/debian/README.source b/debian/README.source
index 0adc4ed2c2..f6fe1c1d9d 100644
--- a/debian/README.source
+++ b/debian/README.source
@@ -136,7 +136,7 @@ packages can be built:
     ver="$(cat build/next-release.txt | sed -e 's/-/~/g')~n$(date +%Y%m%dT%H%M%SZ)-1~${distro}+1"
     git clean -fdx && git reset --hard origin/master
     ./build/set-fs-version.sh "$ver"
-    git add configure.in && git commit -m "bump to custom v$ver"
+    git add configure.ac && git commit -m "bump to custom v$ver"
     (cd debian && ./bootstrap.sh -c $distro)
     dch -b -m -v "$ver" --force-distribution -D "unstable" "Custom build."
     dpkg-buildpackage -b -us -uc -Zxz -z9
@@ -149,7 +149,7 @@ To build for a stable branch, do this:
     ver="$(echo "$stable_ver" | sed -e 's/-/~/g')~n$(date +%Y%m%dT%H%M%SZ)-1~${distro}+1"
     git clean -fdx && git reset --hard refs/tags/v${stable_ver}
     ./build/set-fs-version.sh "$ver"
-    git add configure.in && git commit -m "bump to custom v$ver"
+    git add configure.ac && git commit -m "bump to custom v$ver"
     (cd debian && ./bootstrap.sh -c $distro)
     dch -b -m -v "$ver" --force-distribution -D "unstable" "Custom build."
     dpkg-buildpackage -b -us -uc -Zxz -z9
@@ -170,4 +170,4 @@ freeswitch-music-*:
     git clone https://github.com/traviscross/freeswitch-sounds.git
     cd freeswitch-sounds && cat debian/README.source
 
- -- Travis Cross <tc@traviscross.com>, Sun, 23 Feb 2014 18:08:08 +0000
+ -- Travis Cross <tc@traviscross.com>, Wed, 19 Mar 2014 19:07:23 +0000
diff --git a/debian/util.sh b/debian/util.sh
index 4d69992697..49590a69d6 100755
--- a/debian/util.sh
+++ b/debian/util.sh
@@ -136,7 +136,7 @@ check_repo_clean () {
 }
 
 get_last_release_ver () {
-  grep -m1 -e '^AC_INIT' configure.in \
+  grep -m1 -e '^AC_INIT' configure.ac \
     | cut -d, -f2 \
     | sed -e 's/\[//' -e 's/\]//' -e 's/ //g'
 }
@@ -185,7 +185,7 @@ create_orig () {
       (cd libs && getlibs)
       git add -f libs
     fi
-    ./build/set-fs-version.sh "$uver" "$hrev" && git add configure.in
+    ./build/set-fs-version.sh "$uver" "$hrev" && git add configure.ac
     echo "$uver" > .version && git add -f .version
     git commit --allow-empty -m "nightly v$uver"
     git archive -v \