diff --git a/source/dub/generators/build.d b/source/dub/generators/build.d
index d92e0bf..72b6f3b 100644
--- a/source/dub/generators/build.d
+++ b/source/dub/generators/build.d
@@ -376,9 +376,33 @@
 
 private bool isLinkerFile(string f)
 {
-	version (Windows) {
-		return f.endsWith(".lib") || f.endsWith(".obj");
-	} else {
-		return f.endsWith(".a") || f.endsWith(".o") || f.endsWith(".so") || f.endsWith(".dylib");
+	import std.path;
+	switch (extension(f)) {
+		default:
+			return false;
+		version (Windows) {
+			case ".lib", ".obj", ".res":
+				return true;
+		} else {
+			case ".a", ".o", ".so", ".dylib":
+				return true;
+		}
 	}
 }
+
+unittest {
+	version (Windows) {
+		assert(isLinkerFile("test.obj"));
+		assert(isLinkerFile("test.lib"));
+		assert(isLinkerFile("test.res"));
+		assert(!isLinkerFile("test.o"));
+		assert(!isLinkerFile("test.d"));
+	} else {
+		assert(isLinkerFile("test.o"));
+		assert(isLinkerFile("test.a"));
+		assert(isLinkerFile("test.so"));
+		assert(isLinkerFile("test.dylib"));
+		assert(!isLinkerFile("test.obj"));
+		assert(!isLinkerFile("test.d"));
+	}
+}
\ No newline at end of file