diff --git a/tests/kernel/mem_pool/test_mpool_concept/src/test_mpool.h b/tests/kernel/mem_pool/test_mpool_concept/src/test_mpool.h
index d3c5470152b..2ab05a6cb7f 100644
--- a/tests/kernel/mem_pool/test_mpool_concept/src/test_mpool.h
+++ b/tests/kernel/mem_pool/test_mpool_concept/src/test_mpool.h
@@ -5,7 +5,11 @@
  */
 
 #define TIMEOUT 2000
+#ifdef CONFIG_RISCV32
+#define STACK_SIZE 1024
+#else
 #define STACK_SIZE 512
+#endif
 #define BLK_SIZE_MIN 4
 #define BLK_SIZE_MAX 16
 #define BLK_NUM_MIN 8