diff --git a/userspace/libsinsp/test/plugins.ut.cpp b/userspace/libsinsp/test/plugins.ut.cpp
index 1821ddc35d..903661dc82 100644
--- a/userspace/libsinsp/test/plugins.ut.cpp
+++ b/userspace/libsinsp/test/plugins.ut.cpp
@@ -718,8 +718,8 @@ TEST_F(sinsp_with_test_input, plugin_subtables)
 
 	// get an accessor to a dynamic field declared by the plugin
 	ASSERT_EQ(subtable->dynamic_fields()->fields().size(), 1);
-	const auto& dfield = subtable->dynamic_fields()->fields().find("custom");
-	ASSERT_NE(dfield, table->dynamic_fields()->fields().end());
+	auto dfield = subtable->dynamic_fields()->fields().find("custom");
+	ASSERT_NE(dfield, subtable->dynamic_fields()->fields().end());
 	auto dfieldacc = dfield->second.new_accessor<std::string>();
 
 	// start the event capture
@@ -792,8 +792,8 @@ TEST_F(sinsp_with_test_input, plugin_subtables_array)
 
 	// get an accessor to a dynamic field representing the array's values
 	ASSERT_EQ(subtable->dynamic_fields()->fields().size(), 1);
-	const auto& dfield = subtable->dynamic_fields()->fields().find("value");
-	ASSERT_NE(dfield, table->dynamic_fields()->fields().end());
+	auto dfield = subtable->dynamic_fields()->fields().find("value");
+	ASSERT_NE(dfield, subtable->dynamic_fields()->fields().end());
 	ASSERT_EQ(dfield->second.readonly(), false);
 	ASSERT_EQ(dfield->second.valid(), true);
 	ASSERT_EQ(dfield->second.name(), "value");
diff --git a/userspace/libsinsp/test/state.ut.cpp b/userspace/libsinsp/test/state.ut.cpp
index 4d3334a7ef..ac5350b245 100644
--- a/userspace/libsinsp/test/state.ut.cpp
+++ b/userspace/libsinsp/test/state.ut.cpp
@@ -461,11 +461,11 @@ TEST(thread_manager, fdtable_access)
 
 	//checking if the new field has been added
 	ASSERT_EQ(subtable->dynamic_fields()->fields().size(), 1);
-	ASSERT_NE(subtable->dynamic_fields()->fields().find("str_val"), table->dynamic_fields()->fields().end());
+	ASSERT_NE(subtable->dynamic_fields()->fields().find("str_val"), subtable->dynamic_fields()->fields().end());
 
 	//checking if the new field has been added to the other subtable
 	ASSERT_EQ(subtable2->dynamic_fields()->fields().size(), 1);
-	ASSERT_NE(subtable2->dynamic_fields()->fields().find("str_val"), table->dynamic_fields()->fields().end());
+	ASSERT_NE(subtable2->dynamic_fields()->fields().find("str_val"), subtable2->dynamic_fields()->fields().end());
 
 	auto sfieldacc = sfield->second.new_accessor<int64_t>();
 	auto dfieldacc = dfield.new_accessor<std::string>();