diff --git a/kernel/Kconfig b/kernel/Kconfig
index 3b916aba062..a01f40551e1 100644
--- a/kernel/Kconfig
+++ b/kernel/Kconfig
@@ -835,8 +835,7 @@ if KERNEL_MEM_POOL
 
 config HEAP_MEM_POOL_SIZE
 	int "Heap memory pool size (in bytes)"
-	default 0 if !POSIX_MQUEUE
-	default 1024 if POSIX_MQUEUE
+	default 0
 	help
 	  This option specifies the size of the heap memory pool used when
 	  dynamically allocating memory using k_malloc(). The maximum size of
diff --git a/lib/posix/Kconfig.mqueue b/lib/posix/Kconfig.mqueue
index 58e04d21faf..7c49aee6c21 100644
--- a/lib/posix/Kconfig.mqueue
+++ b/lib/posix/Kconfig.mqueue
@@ -30,4 +30,7 @@ config MQUEUE_NAMELEN_MAX
 	help
 	  Mention length of message queue name in number of characters.
 
+config HEAP_MEM_POOL_ADD_SIZE_MQUEUE
+	def_int 1024
+
 endif