diff --git a/config/kernel/kernel.config.aarch64-ipfire b/config/kernel/kernel.config.aarch64-ipfire
index e0f2f6df8..35f071bda 100644
--- a/config/kernel/kernel.config.aarch64-ipfire
+++ b/config/kernel/kernel.config.aarch64-ipfire
@@ -211,7 +211,7 @@ CONFIG_HAVE_PERF_EVENTS=y
 CONFIG_PERF_EVENTS=y
 # CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_VM_EVENT_COUNTERS=y
-# CONFIG_SLUB_DEBUG is not set
+CONFIG_SLUB_DEBUG=y
 # CONFIG_SLUB_MEMCG_SYSFS_ON is not set
 # CONFIG_COMPAT_BRK is not set
 # CONFIG_SLAB is not set
diff --git a/config/kernel/kernel.config.armv5tel-ipfire-multi b/config/kernel/kernel.config.armv5tel-ipfire-multi
index 15183300f..762963351 100644
--- a/config/kernel/kernel.config.armv5tel-ipfire-multi
+++ b/config/kernel/kernel.config.armv5tel-ipfire-multi
@@ -208,7 +208,7 @@ CONFIG_PERF_USE_VMALLOC=y
 CONFIG_PERF_EVENTS=y
 # CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_VM_EVENT_COUNTERS=y
-# CONFIG_SLUB_DEBUG is not set
+CONFIG_SLUB_DEBUG=y
 # CONFIG_SLUB_MEMCG_SYSFS_ON is not set
 # CONFIG_COMPAT_BRK is not set
 # CONFIG_SLAB is not set