diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3113ff21..5c3f5212 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,9 +21,9 @@ jobs:
           sudo apt-get install -q -y build-essential
           make clean config
           make check-snapshots || exit 1
-          make clean config ARCH=arm
+          make distclean config ARCH=arm
           make check || exit 1
-          make clean config ARCH=riscv
+          make distclean config ARCH=riscv
           make check || exit 1
 
   host-arm:
diff --git a/src/riscv-codegen.c b/src/riscv-codegen.c
index da9c5ef1..aa6b55cf 100644
--- a/src/riscv-codegen.c
+++ b/src/riscv-codegen.c
@@ -107,7 +107,7 @@ void cfg_flatten()
 
     for (fn_t *fn = FUNC_LIST.head; fn; fn = fn->next) {
         /* reserve stack */
-        ph2_ir_t *fflatten_ir = add_ph2_ir(OP_define);
+        ph2_ir_t *flatten_ir = add_ph2_ir(OP_define);
         flatten_ir->src0 = fn->func->stack_size;
 
         for (basic_block_t *bb = fn->bbs; bb; bb = bb->rpo_next) {