diff --git a/conf/machine/sysmocom-bsc.conf b/conf/machine/sysmocom-bsc.conf
index 65bc535..7d5601a 100644
--- a/conf/machine/sysmocom-bsc.conf
+++ b/conf/machine/sysmocom-bsc.conf
@@ -5,7 +5,7 @@
 TARGET_ARCH = "i586"
 
 PREFERRED_PROVIDER_virtual/libgl  = "mesa-dri"
-PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
+PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-diet"
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/xserver-xf86 ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/kernel = "${@['linux-sysmocom', 'linux']['1.1' in d.getVar('DISTRO_VERSION', True)]}"
diff --git a/conf/machine/sysmocom-idu.conf b/conf/machine/sysmocom-idu.conf
index 72628ac..5827bc7 100644
--- a/conf/machine/sysmocom-idu.conf
+++ b/conf/machine/sysmocom-idu.conf
@@ -7,7 +7,7 @@ require conf/machine/include/genericx86-common.inc
 
 
 PREFERRED_PROVIDER_virtual/libgl  = "mesa-dri"
-PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-trim"
+PREFERRED_PROVIDER_virtual/libx11 ?= "libx11-diet"
 PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/xserver-xf86 ?= "xserver-xf86-dri-lite"
 PREFERRED_PROVIDER_virtual/kernel = "${@['linux-sysmocom', 'linux']['1.1' in d.getVar('DISTRO_VERSION', True)]}"