diff --git a/graphics/graphviz/graphviz.SlackBuild b/graphics/graphviz/graphviz.SlackBuild
index 385a05f48f..82469e34d7 100644
--- a/graphics/graphviz/graphviz.SlackBuild
+++ b/graphics/graphviz/graphviz.SlackBuild
@@ -8,7 +8,7 @@
 
 PRGNAM=graphviz
 VERSION=${VERSION:-2.28.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -52,6 +52,9 @@ chmod -R u+w,go+r-w,a-s .
 # Install PHP bindings to proper location.
 sed -i 's|/php/modules|/php/extensions|' configure
 
+# Fix for php-5.4
+patch -p1 < $CWD/php_5.4_compat.patch
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \
diff --git a/graphics/graphviz/php_5.4_compat.patch b/graphics/graphviz/php_5.4_compat.patch
new file mode 100644
index 0000000000..58c2993b36
--- /dev/null
+++ b/graphics/graphviz/php_5.4_compat.patch
@@ -0,0 +1,17 @@
+diff -Naur graphviz-2.28.0.orig/tclpkg/gv/gv_php_init.c graphviz-2.28.0/tclpkg/gv/gv_php_init.c
+--- graphviz-2.28.0.orig/tclpkg/gv/gv_php_init.c	2011-01-25 17:30:51.000000000 +0100
++++ graphviz-2.28.0/tclpkg/gv/gv_php_init.c	2012-05-30 04:10:40.657221055 +0200
+@@ -19,11 +19,13 @@
+ 
+ static size_t gv_string_writer (GVJ_t *job, const char *s, size_t len)
+ {
++    TSRMLS_FETCH();
+     return PHPWRITE(s, len);
+ }
+ 
+ static size_t gv_channel_writer (GVJ_t *job, const char *s, size_t len)
+ {
++    TSRMLS_FETCH();
+     return PHPWRITE(s, len);
+ }
+