diff --git a/parser/printer.go b/parser/printer.go
index 46ad34f..53fbbcc 100644
--- a/parser/printer.go
+++ b/parser/printer.go
@@ -107,7 +107,7 @@ func (p *printer) printAssignment(assignment *Assignment) {
 
 func (p *printer) printModule(module *Module) {
 	p.printToken(module.Type.Name, module.Type.Pos, wsDontCare)
-	p.printMap(module.Properties, module.LbracePos, module.RbracePos, true)
+	p.printMap(module.Properties, module.LbracePos, module.RbracePos)
 	p.prev.ws = wsForceDoubleBreak
 }
 
@@ -131,7 +131,7 @@ func (p *printer) printValue(value Value) {
 		case List:
 			p.printList(value.ListValue, value.Pos, value.EndPos)
 		case Map:
-			p.printMap(value.MapValue, value.Pos, value.EndPos, false)
+			p.printMap(value.MapValue, value.Pos, value.EndPos)
 		default:
 			panic(fmt.Errorf("bad property type: %d", value.Type))
 		}
@@ -156,26 +156,18 @@ func (p *printer) printList(list []Value, pos, endPos scanner.Position) {
 	p.printToken("]", endPos, wsDontCare)
 }
 
-func (p *printer) printMap(list []*Property, pos, endPos scanner.Position, isModule bool) {
-	if isModule {
-		p.printToken("(", pos, wsDontCare)
-	} else {
-		p.printToken("{", pos, wsBefore)
-	}
+func (p *printer) printMap(list []*Property, pos, endPos scanner.Position) {
+	p.printToken("{", pos, wsBefore)
 	if len(list) > 0 || pos.Line != endPos.Line {
 		p.prev.ws = wsForceBreak
 		p.indent(p.curIndent() + 4)
 		for _, prop := range list {
-			p.printProperty(prop, isModule)
+			p.printProperty(prop)
 			p.printToken(",", noPos, wsForceBreak)
 		}
 		p.unindent()
 	}
-	if isModule {
-		p.printToken(")", endPos, wsForceDoubleBreak)
-	} else {
-		p.printToken("}", endPos, wsDontCare)
-	}
+	p.printToken("}", endPos, wsDontCare)
 }
 
 func (p *printer) printExpression(expression Expression) {
@@ -184,13 +176,9 @@ func (p *printer) printExpression(expression Expression) {
 	p.printValue(expression.Args[1])
 }
 
-func (p *printer) printProperty(property *Property, isModule bool) {
+func (p *printer) printProperty(property *Property) {
 	p.printToken(property.Name.Name, property.Name.Pos, wsDontCare)
-	if isModule {
-		p.printToken("=", property.Pos, wsBoth)
-	} else {
-		p.printToken(":", property.Pos, wsAfter)
-	}
+	p.printToken(":", property.Pos, wsAfter)
 	p.printValue(property.Value)
 }
 
diff --git a/parser/printer_test.go b/parser/printer_test.go
index 5b752e7..9f26230 100644
--- a/parser/printer_test.go
+++ b/parser/printer_test.go
@@ -25,93 +25,93 @@ var validPrinterTestCases = []struct {
 }{
 	{
 		input: `
-foo ()
+foo {}
 `,
 		output: `
-foo()
+foo {}
 `,
 	},
 	{
 		input: `
-foo(name= "abc",)
+foo{name= "abc",}
 `,
 		output: `
-foo(
-    name = "abc",
-)
+foo {
+    name: "abc",
+}
 `,
 	},
 	{
 		input: `
-			foo(
-				stuff = ["asdf", "jkl;", "qwert",
+			foo {
+				stuff: ["asdf", "jkl;", "qwert",
 					"uiop", "bnm,"]
-			)
+			}
 			`,
 		output: `
-foo(
-    stuff = [
+foo {
+    stuff: [
         "asdf",
         "bnm,",
         "jkl;",
         "qwert",
         "uiop",
     ],
-)
+}
 `,
 	},
 	{
 		input: `
-		foo(
-			stuff = {
+		foo {
+			stuff: {
 				isGood: true,
 				name: "bar"
 			}
-		)
+		}
 		`,
 		output: `
-foo(
-    stuff = {
+foo {
+    stuff: {
         isGood: true,
         name: "bar",
     },
-)
+}
 `,
 	},
 	{
 		input: `
 // comment1
-foo(
+foo {
 	// comment2
-	isGood = true,  // comment3
-)
+	isGood: true,  // comment3
+}
 `,
 		output: `
 // comment1
-foo(
+foo {
     // comment2
-    isGood = true, // comment3
-)
+    isGood: true, // comment3
+}
 `,
 	},
 	{
 		input: `
-foo(
-	name = "abc",
-)
+foo {
+	name: "abc",
+}
 
-bar (
-	name = "def",
-)
+bar  {
+	name: "def",
+}
 		`,
 		output: `
-foo(
-    name = "abc",
-)
+foo {
+    name: "abc",
+}
 
-bar(
-    name = "def",
-)
+bar {
+    name: "def",
+}
 `,
 	},
 	{
@@ -131,41 +131,41 @@ baz += foo
 	{
 		input: `
 //test
-test /* test */(
-    srcs = [
+test /* test */ {
+    srcs: [
         /*"blueprint/bootstrap/bootstrap.go",
     "blueprint/bootstrap/cleanup.go",*/
         "blueprint/bootstrap/command.go",
         "blueprint/bootstrap/doc.go", //doc.go
         "blueprint/bootstrap/config.go", //config.go
     ],
-    deps = ["libabc"],
-    incs = []
-) //test
+    deps: ["libabc"],
+    incs: []
+} //test
 //test
-test2(
-)
+test2 {
+}
 
 
 //test3
 `,
 		output: `
 //test
-test /* test */ (
-    srcs = [
+test /* test */ {
+    srcs: [
         /*"blueprint/bootstrap/bootstrap.go",
         "blueprint/bootstrap/cleanup.go",*/
         "blueprint/bootstrap/command.go",
         "blueprint/bootstrap/config.go", //config.go
         "blueprint/bootstrap/doc.go", //doc.go
     ],
-    deps = ["libabc"],
-    incs = [],
-) //test
+    deps: ["libabc"],
+    incs: [],
+} //test
 
 //test
-test2(
-)
+test2 {
+}
 
 //test3
 `,
@@ -175,26 +175,26 @@ test2(
 // test
 module // test
 
-(
+ {
     srcs
-    = [
+   : [
         "src1.c",
         "src2.c",
     ],
 //test
-)
+}
 //test2
 `,
 		output: `
 // test
-module( // test
+module { // test
 
-    srcs = [
+    srcs: [
         "src1.c",
         "src2.c",
     ],
     //test
-)
+}
 //test2
 `,
 	},