diff --git a/lib/ConstPlugin.js b/lib/ConstPlugin.js
index 8a568badb..a74193952 100644
--- a/lib/ConstPlugin.js
+++ b/lib/ConstPlugin.js
@@ -32,7 +32,7 @@ ConstPlugin.prototype.apply = function(compiler) {
 		var bool = param.asBool();
 		if(typeof bool === "boolean") {
 			if(expression.test.type !== "Literal") {
-				var dep = new ConstDependency(bool + "", param.range);
+				var dep = new ConstDependency(" " + bool + "", param.range);
 				dep.loc = expression.loc;
 				this.state.current.addDependency(dep);
 			}
diff --git a/test/cases/parsing/issue-1044/index.js b/test/cases/parsing/issue-1044/index.js
new file mode 100644
index 000000000..ee8a1fb17
--- /dev/null
+++ b/test/cases/parsing/issue-1044/index.js
@@ -0,0 +1,5 @@
+it("should not crash on missing spaces", function() {
+	(function() {
+		return"function"==typeof define&&define.amd?"hello":"world";
+	})();
+});