diff --git a/source/dub/compilers/ldc.d b/source/dub/compilers/ldc.d
index db39741..02559c4 100644
--- a/source/dub/compilers/ldc.d
+++ b/source/dub/compilers/ldc.d
@@ -269,6 +269,9 @@
 
 	private static bool isLinkerDFlag(string arg)
 	{
+		if (arg.length > 2 && arg.startsWith("--"))
+			arg = arg[1 .. $]; // normalize to 1 leading hyphen
+
 		switch (arg) {
 			case "-g", "-gc", "-m32", "-m64", "-shared", "-lib",
 			     "-betterC", "-disable-linker-strip-dead", "-static":