2 files changed, 2 insertions, 2 deletions

diff --git a/meta-webserver/recipes-php/modphp/modphp5.inc b/meta-webserver/recipes-php/modphp/modphp5.inc
index dcafa4fc31..f60c7bbfc8 100644
--- a/meta-webserver/recipes-php/modphp/modphp5.inc
+++ b/meta-webserver/recipes-php/modphp/modphp5.inc
@@ -20,7 +20,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=52dd90569008fee5bcdbb22d945b1108"
 
 inherit autotools pkgconfig
 
-PNBLACKLIST[modphp] = "CONFLICT: 466 header files conflict with php"
+PNBLACKLIST[modphp] ?= "CONFLICT: 466 header files conflict with php"
 # e.g. sysroots/qemux86-64/usr/include/php/main/win95nt.h
 
 CFLAGS += " -g -DPTYS_ARE_GETPT -DPTYS_ARE_SEARCHED -I${STAGING_INCDIR}/apache2"
diff --git a/meta-webserver/recipes-php/xdebug/xdebug_2.2.5.bb b/meta-webserver/recipes-php/xdebug/xdebug_2.2.5.bb
index 750b288458..66aff5e33e 100644
--- a/meta-webserver/recipes-php/xdebug/xdebug_2.2.5.bb
+++ b/meta-webserver/recipes-php/xdebug/xdebug_2.2.5.bb
@@ -4,7 +4,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=34df3a274aa12b795417c65634c07f16"
 
 DEPENDS = "modphp"
 
-PNBLACKLIST[xdebug] = "CONFLICT: depends on blocked modphp"
+PNBLACKLIST[xdebug] ?= "CONFLICT: depends on blocked modphp"
 
 SRC_URI = "http://xdebug.org/files/xdebug-${PV}.tgz"