diff --git a/vlib/v/fmt/fmt.v b/vlib/v/fmt/fmt.v
index 70396184e7..0a5a27f42a 100644
--- a/vlib/v/fmt/fmt.v
+++ b/vlib/v/fmt/fmt.v
@@ -257,6 +257,7 @@ pub fn (mut f Fmt) imports(imports []ast.Import) {
 		f.out_imports.writeln('import ${imp_stmt_str}\n')
 	} else if imports.len > 1 {
 	*/
+	mut already_imported := map[string]bool{}
 	for imp in imports {
 		if imp.mod !in f.used_imports {
 			// TODO bring back once only unused imports are removed
@@ -265,8 +266,12 @@ pub fn (mut f Fmt) imports(imports []ast.Import) {
 		if imp.mod in f.auto_imports && imp.mod !in f.used_imports {
 			continue
 		}
-		f.out_imports.write('import ')
-		f.out_imports.writeln(f.imp_stmt_str(imp))
+		import_text := 'import ${f.imp_stmt_str(imp)}'
+		if already_imported[import_text] {
+			continue
+		}
+		already_imported[import_text] = true
+		f.out_imports.writeln(import_text)
 		num_imports++
 	}
 	if num_imports > 0 {
diff --git a/vlib/v/fmt/tests/import_multiple_input.vv b/vlib/v/fmt/tests/import_multiple_input.vv
index 5769710c0f..0c11afe4a2 100644
--- a/vlib/v/fmt/tests/import_multiple_input.vv
+++ b/vlib/v/fmt/tests/import_multiple_input.vv
@@ -1,5 +1,6 @@
 import math
 import os
+import math
 
 const (
 	mypi = math.pi