diff --git a/fuzzers/libfuzzer_stb_image_sugar/src/main.rs b/fuzzers/libfuzzer_stb_image_sugar/src/main.rs
index 527583aac6..f4180f0e5a 100644
--- a/fuzzers/libfuzzer_stb_image_sugar/src/main.rs
+++ b/fuzzers/libfuzzer_stb_image_sugar/src/main.rs
@@ -3,6 +3,7 @@
 
 use std::{env, path::PathBuf};
 
+use libafl::bolts::os::Cores;
 use libafl_sugar::InMemoryBytesCoverageSugar;
 use libafl_targets::{libfuzzer_initialize, libfuzzer_test_one_input};