diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index e9d5d126db..c0a886136e 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -110,7 +110,8 @@ pub fn (mut c Checker) check(ast_file &ast.File) {
 	for i, ast_import in ast_file.imports {
 		for j in 0 .. i {
 			if ast_import.mod == ast_file.imports[j].mod {
-				c.error('module name `$ast_import.mod` duplicate', ast_import.mod_pos)
+				c.error('`$ast_import.mod` was already imported on line ${
+					ast_file.imports[j].mod_pos.line_nr + 1}', ast_import.mod_pos)
 			}
 		}
 	}
diff --git a/vlib/v/checker/tests/import_duplicate_err.out b/vlib/v/checker/tests/import_duplicate_err.out
index 7971b63ad4..3c04980fa2 100644
--- a/vlib/v/checker/tests/import_duplicate_err.out
+++ b/vlib/v/checker/tests/import_duplicate_err.out
@@ -1,4 +1,4 @@
-vlib/v/checker/tests/import_duplicate_err.vv:2:8: error: module name `time` duplicate
+vlib/v/checker/tests/import_duplicate_err.vv:2:8: error: `time` was already imported on line 1
     1 | import time
     2 | import time
       |        ~~~~