diff --git a/Testing/Temporary/CTestCostData.txt b/Testing/Temporary/CTestCostData.txt
new file mode 100644
index 0000000..ed97d53
--- /dev/null
+++ b/Testing/Temporary/CTestCostData.txt
@@ -0,0 +1 @@
+---
diff --git a/Testing/Temporary/LastTest.log b/Testing/Temporary/LastTest.log
new file mode 100644
index 0000000..03dc91a
--- /dev/null
+++ b/Testing/Temporary/LastTest.log
@@ -0,0 +1,3 @@
+Start testing: Dec 21 23:21 CET
+----------------------------------------------------------
+End testing: Dec 21 23:21 CET
diff --git a/include/amduat/asl/store.h b/include/amduat/asl/store.h
index 1becd3e..fcba0e4 100644
--- a/include/amduat/asl/store.h
+++ b/include/amduat/asl/store.h
@@ -37,6 +37,15 @@ typedef struct {
       amduat_asl_store_config_t config);
 } amduat_asl_store_ops_t;
 
+static inline void amduat_asl_store_ops_init(amduat_asl_store_ops_t *ops) {
+  if (ops == NULL) {
+    return;
+  }
+  ops->put = NULL;
+  ops->get = NULL;
+  ops->validate_config = NULL;
+}
+
 typedef struct {
   amduat_asl_store_config_t config;
   amduat_asl_store_ops_t ops;
diff --git a/src/adapters/asl_store_fs/asl_store_fs.c b/src/adapters/asl_store_fs/asl_store_fs.c
index 8f2dae2..8b71bd3 100644
--- a/src/adapters/asl_store_fs/asl_store_fs.c
+++ b/src/adapters/asl_store_fs/asl_store_fs.c
@@ -693,7 +693,7 @@ bool amduat_asl_store_fs_init(amduat_asl_store_fs_t *fs,
 amduat_asl_store_ops_t amduat_asl_store_fs_ops(void) {
   amduat_asl_store_ops_t ops;
 
-  memset(&ops, 0, sizeof(ops));
+  amduat_asl_store_ops_init(&ops);
   ops.put = amduat_asl_store_fs_put_impl;
   ops.get = amduat_asl_store_fs_get_impl;
   ops.validate_config = amduat_asl_store_fs_validate_config;
diff --git a/tests/pel/test_pel_surf_run.c b/tests/pel/test_pel_surf_run.c
index 85d635c..d55de64 100644
--- a/tests/pel/test_pel_surf_run.c
+++ b/tests/pel/test_pel_surf_run.c
@@ -363,6 +363,7 @@ static int test_surf_success(void) {
   cfg.hash_id = AMDUAT_HASH_ASL1_ID_SHA256;
   stub_store_init(&stub);
   stub.config = cfg;
+  amduat_asl_store_ops_init(&ops);
   ops.put = stub_store_put;
   ops.get = stub_store_get;
   amduat_asl_store_init(&store, cfg, ops, &stub);
@@ -488,6 +489,7 @@ static int test_surf_missing_program(void) {
   cfg.hash_id = AMDUAT_HASH_ASL1_ID_SHA256;
   stub_store_init(&stub);
   stub.config = cfg;
+  amduat_asl_store_ops_init(&ops);
   ops.put = stub_store_put;
   ops.get = stub_store_get;
   amduat_asl_store_init(&store, cfg, ops, &stub);
@@ -566,6 +568,7 @@ static int test_surf_missing_input(void) {
   cfg.hash_id = AMDUAT_HASH_ASL1_ID_SHA256;
   stub_store_init(&stub);
   stub.config = cfg;
+  amduat_asl_store_ops_init(&ops);
   ops.put = stub_store_put;
   ops.get = stub_store_get;
   amduat_asl_store_init(&store, cfg, ops, &stub);