diff --git a/core/sysparam.c b/core/sysparam.c
index 8f2d348..565160a 100644
--- a/core/sysparam.c
+++ b/core/sysparam.c
@@ -1008,7 +1008,7 @@ sysparam_status_t sysparam_set_int32(const char *key, int32_t value) {
 }
 
 sysparam_status_t sysparam_set_int8(const char *key, int8_t value) {
-    return sysparam_set_int32(key, value);
+    return sysparam_set_data(key, (const uint8_t *)&value, sizeof(value), true);
 }
 
 sysparam_status_t sysparam_set_bool(const char *key, bool value) {
diff --git a/tests/cases/07_sysparam.c b/tests/cases/07_sysparam.c
index c300033..4c53b0a 100644
--- a/tests/cases/07_sysparam.c
+++ b/tests/cases/07_sysparam.c
@@ -218,11 +218,9 @@ static void verify_test_values(test_data_t *data)
                 TEST_ASSERT_EQUAL_INT(test_data_get_int32(data), actual_int32);
                 break;
             case VALUE_INT8:
-                /* fails
                 status = sysparam_get_int8(key_buf, &actual_int8);
                 TEST_ASSERT_EQUAL_INT(status, SYSPARAM_OK);
                 TEST_ASSERT_EQUAL_INT(test_data_get_int8(data), actual_int8);
-                */
                 break;
             case VALUE_BOOL:
                 status = sysparam_get_bool(key_buf, &actual_bool);
@@ -297,13 +295,11 @@ static void a_07_sysparam_basic_test(void)
     TEST_ASSERT_EQUAL_INT(status, SYSPARAM_OK);
     TEST_ASSERT_EQUAL_INT(-123, int32_val);
 
-    /* fails
     status = sysparam_set_int8("int_2", -34);
     TEST_ASSERT_EQUAL_INT(status, SYSPARAM_OK);
     status = sysparam_get_int8("int_2", &int8_val);
     TEST_ASSERT_EQUAL_INT(status, SYSPARAM_OK);
     TEST_ASSERT_EQUAL_INT(-34, int8_val);
-    */
 
     status = sysparam_set_string("str_1", "test string");
     TEST_ASSERT_EQUAL_INT(status, SYSPARAM_OK);