diff --git a/fuzzers/FRET/src/fuzzer.rs b/fuzzers/FRET/src/fuzzer.rs
index 1f7cfc1aae..ae4f501dd6 100644
--- a/fuzzers/FRET/src/fuzzer.rs
+++ b/fuzzers/FRET/src/fuzzer.rs
@@ -563,7 +563,7 @@ pub fn fuzz() {
                                     {
                                         let mut gd = String::from(&td);
                                         gd.push_str(".graph" );
-                                        if let Some(md) = state.named_metadata_mut().get_mut::<SysGraphFeedbackState>("SysMap") {
+                                        if let Some(md) = state.named_metadata_map_mut().get_mut::<SysGraphFeedbackState>("SysMap") {
                                             fs::write(&gd,ron::to_string(&md).expect("Failed to serialize graph")).expect("Failed to write graph");
                                         }
                                     }
@@ -618,7 +618,7 @@ pub fn fuzz() {
                         {
                             let mut gd = String::from(&td);
                             gd.push_str(".graph");
-                            if let Ok(md) = state.metadata_mut::<SysGraphFeedbackState>() {
+                            if let Some(md) = state.named_metadata_map_mut().get_mut::<SysGraphFeedbackState>("SysMap") {
                                 fs::write(&gd,ron::to_string(&md).expect("Failed to serialize graph")).expect("Failed to write graph");
                             }
                         }