diff --git a/development/unifdef/unifdef.SlackBuild b/development/unifdef/unifdef.SlackBuild
index e75caacb52..e6aa66523f 100644
--- a/development/unifdef/unifdef.SlackBuild
+++ b/development/unifdef/unifdef.SlackBuild
@@ -7,7 +7,7 @@
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
 PRGNAM=unifdef
-VERSION=${VERSION:-2.11}
+VERSION=${VERSION:-2.12}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -47,16 +47,17 @@ rm -rf $PRGNAM-$VERSION
 tar xvf $CWD/$PRGNAM-$VERSION.tar.xz
 cd $PRGNAM-$VERSION
 chown -R root:root .
-find -L . \
- \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-  -o -perm 511 \) -exec chmod 755 {} \; -o \
- \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
- -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
+        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+
 
 make CFLAGS="$SLKCFLAGS" DESTDIR=$PKG
 
 mkdir -p $PKG/usr/bin $PKG/usr/man/man1
 
+# Test suite fails 1 of the 90 tests. The test itself is
+# broken: it expects to be run as a non-root user.
+[ "${TESTSUITE:-no}" = "yes" ] && rm -f tests/outeperm.* && make test
+
 # manual install = less code than hacking 'make install'
 install -s -m0755 $PRGNAM $PKG/usr/bin
 install -m0755 ${PRGNAM}all.sh $PKG/usr/bin/${PRGNAM}all
diff --git a/development/unifdef/unifdef.info b/development/unifdef/unifdef.info
index 1371eac9d5..df9a902bbd 100644
--- a/development/unifdef/unifdef.info
+++ b/development/unifdef/unifdef.info
@@ -1,8 +1,8 @@
 PRGNAM="unifdef"
-VERSION="2.11"
+VERSION="2.12"
 HOMEPAGE="http://dotat.at/prog/unifdef/"
-DOWNLOAD="http://dotat.at/prog/unifdef/unifdef-2.11.tar.xz"
-MD5SUM="337053fd8a7d9ab3adf5e50f88af95b7"
+DOWNLOAD="http://dotat.at/prog/unifdef/unifdef-2.12.tar.xz"
+MD5SUM="ae8c0b3b4c43c1f6bc5f32412a820818"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""