diff --git a/src/lib.rs b/src/lib.rs
index addd75c..fd74bc5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -158,11 +158,11 @@ pub struct SQLiteStatementValues {
 pub enum SQLitendError {
     #[error("An error occurred while converting a string to a CString")]
     ToCStr,
-    #[error("An error occurred while opening the DB: {0:#?}")]
+    #[error("An error occurred while opening the DB: {0:?}")]
     OpenDb(InnerError),
-    #[error("An error occurred while preparing stmt: {0:#?}")]
+    #[error("An error occurred while preparing stmt: {0:?}")]
     Prepare(InnerError),
-    #[error("An error occurred while stepping to the next line: {0:#?}")]
+    #[error("An error occurred while stepping to the next line: {0:?}")]
     Step(InnerError),
     #[error("An error occurred while getting column name: {0}")]
     GetColumnName(String),
diff --git a/src/worker/sqlitend.rs b/src/worker/sqlitend.rs
index 8677535..faf415f 100644
--- a/src/worker/sqlitend.rs
+++ b/src/worker/sqlitend.rs
@@ -214,7 +214,7 @@ impl SQLitePreparedStatement {
             // https://www.sqlite.org/c3ref/column_blob.html
             let value = unsafe {
                 match column_type {
-                    SQLITE_NULL => "Null".to_string(),
+                    SQLITE_NULL => "NULL".to_string(),
                     SQLITE_INTEGER => {
                         let number = sqlite3_column_int64(self.stmt, col_ndx);
                         number.to_string()