diff --git a/src/analysis/offsets.rs b/src/analysis/offsets.rs
index f06e3ee..e46148c 100644
--- a/src/analysis/offsets.rs
+++ b/src/analysis/offsets.rs
@@ -1,6 +1,6 @@
 use std::collections::BTreeMap;
 
-use log::debug;
+use log::{debug, error};
 
 use memflow::prelude::v1::*;
 
@@ -39,6 +39,8 @@ macro_rules! pattern_map {
                         let mut save = vec![0; save_len(pat)];
 
                         if !view.scanner().finds_code(pat, &mut save) {
+                            error!("unable to find pattern: {}", name);
+
                             continue;
                         }
 
diff --git a/src/output/interfaces.rs b/src/output/interfaces.rs
index d153de3..489d682 100644
--- a/src/output/interfaces.rs
+++ b/src/output/interfaces.rs
@@ -76,7 +76,7 @@ impl CodeWriter for InterfaceMap {
             })
             .collect();
 
-        fmt.write_str(&serde_json::to_string_pretty(&content).expect("failed to serialize"))
+        fmt.write_str(&serde_json::to_string_pretty(&content).expect("unable to serialize json"))
     }
 
     fn write_rs(&self, fmt: &mut Formatter<'_>) -> fmt::Result {
diff --git a/src/output/offsets.rs b/src/output/offsets.rs
index b2758f3..b729c0a 100644
--- a/src/output/offsets.rs
+++ b/src/output/offsets.rs
@@ -55,7 +55,7 @@ impl CodeWriter for OffsetMap {
     }
 
     fn write_json(&self, fmt: &mut Formatter<'_>) -> fmt::Result {
-        fmt.write_str(&serde_json::to_string_pretty(self).expect("failed to serialize"))
+        fmt.write_str(&serde_json::to_string_pretty(self).expect("unable to serialize json"))
     }
 
     fn write_rs(&self, fmt: &mut Formatter<'_>) -> fmt::Result {
diff --git a/src/output/schemas.rs b/src/output/schemas.rs
index ec2ceae..ef4944b 100644
--- a/src/output/schemas.rs
+++ b/src/output/schemas.rs
@@ -259,7 +259,7 @@ impl CodeWriter for SchemaMap {
             })
             .collect();
 
-        fmt.write_str(&serde_json::to_string_pretty(&content).expect("failed to serialize"))
+        fmt.write_str(&serde_json::to_string_pretty(&content).expect("unable to serialize json"))
     }
 
     fn write_rs(&self, fmt: &mut Formatter<'_>) -> fmt::Result {