diff --git a/src/grm/main.rs b/src/grm/main.rs
index 09d142c..67419cf 100644
--- a/src/grm/main.rs
+++ b/src/grm/main.rs
@@ -38,7 +38,7 @@ fn main() {
                             }
                         }
                         Err(error) => {
-                            print_error(&format!("Error syncing trees: {}", error));
+                            print_error(&format!("Sync error: {}", error));
                             process::exit(1);
                         }
                     }
@@ -62,7 +62,7 @@ fn main() {
                             match provider::Github::new(filter, token, args.api_url) {
                                 Ok(provider) => provider,
                                 Err(error) => {
-                                    print_error(&format!("Error: {}", error));
+                                    print_error(&format!("Sync error: {}", error));
                                     process::exit(1);
                                 }
                             }
@@ -76,7 +76,7 @@ fn main() {
                             match provider::Gitlab::new(filter, token, args.api_url) {
                                 Ok(provider) => provider,
                                 Err(error) => {
-                                    print_error(&format!("Error: {}", error));
+                                    print_error(&format!("Sync error: {}", error));
                                     process::exit(1);
                                 }
                             }
@@ -112,13 +112,13 @@ fn main() {
                                     }
                                 }
                                 Err(error) => {
-                                    print_error(&format!("Error syncing trees: {}", error));
+                                    print_error(&format!("Sync error: {}", error));
                                     process::exit(1);
                                 }
                             }
                         }
                         Err(error) => {
-                            print_error(&format!("Error: {}", error));
+                            print_error(&format!("Sync error: {}", error));
                             process::exit(1);
                         }
                     }
diff --git a/src/provider/mod.rs b/src/provider/mod.rs
index 87a43bb..aee003a 100644
--- a/src/provider/mod.rs
+++ b/src/provider/mod.rs
@@ -270,12 +270,16 @@ pub trait Provider {
         }
 
         for group in &self.filter().groups {
-            let group_projects = self
-                .get_group_projects(group)
-                .map_err(|error| match error {
-                    ApiErrorResponse::Json(x) => x.to_string(),
-                    ApiErrorResponse::String(s) => s,
-                })?;
+            let group_projects = self.get_group_projects(group).map_err(|error| {
+                format!(
+                    "group \"{}\": {}",
+                    group,
+                    match error {
+                        ApiErrorResponse::Json(x) => x.to_string(),
+                        ApiErrorResponse::String(s) => s,
+                    }
+                )
+            })?;
             for group_project in group_projects {
                 let mut already_present = false;
                 for repo in &repos {