diff --git a/test/issue686-multiple-march.sh b/test/issue686-multiple-march.sh
new file mode 100755
index 0000000..cdf2cde
--- /dev/null
+++ b/test/issue686-multiple-march.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -e
+
+cd ${CURR_DIR}/issue686-multiple-march
+
+${DUB} build --bare --force --compiler=${DC} -a x86_64 -v main 2>&1 | grep -e "-m64 -m64" -c && exit 1 || exit 0
diff --git a/test/issue686-multiple-march/.no_build b/test/issue686-multiple-march/.no_build
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/issue686-multiple-march/.no_build
diff --git a/test/issue686-multiple-march/.no_run b/test/issue686-multiple-march/.no_run
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/issue686-multiple-march/.no_run
diff --git a/test/issue686-multiple-march/.no_test b/test/issue686-multiple-march/.no_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/issue686-multiple-march/.no_test
diff --git a/test/issue686-multiple-march/a/dub.json b/test/issue686-multiple-march/a/dub.json
new file mode 100644
index 0000000..341d126
--- /dev/null
+++ b/test/issue686-multiple-march/a/dub.json
@@ -0,0 +1,6 @@
+{
+	"name": "a",
+	"dependencies": {
+		"b": {"path": "../b"}
+	}
+}
\ No newline at end of file
diff --git a/test/issue686-multiple-march/a/source/a.d b/test/issue686-multiple-march/a/source/a.d
new file mode 100644
index 0000000..1581659
--- /dev/null
+++ b/test/issue686-multiple-march/a/source/a.d
@@ -0,0 +1,5 @@
+module a;
+
+void afun()
+{
+}
diff --git a/test/issue686-multiple-march/b/dub.json b/test/issue686-multiple-march/b/dub.json
new file mode 100644
index 0000000..2824d72
--- /dev/null
+++ b/test/issue686-multiple-march/b/dub.json
@@ -0,0 +1,3 @@
+{
+	"name": "b"
+}
\ No newline at end of file
diff --git a/test/issue686-multiple-march/b/source/b.d b/test/issue686-multiple-march/b/source/b.d
new file mode 100644
index 0000000..003a74e
--- /dev/null
+++ b/test/issue686-multiple-march/b/source/b.d
@@ -0,0 +1,5 @@
+module b;
+
+void bfun()
+{
+}
diff --git a/test/issue686-multiple-march/main/dub.json b/test/issue686-multiple-march/main/dub.json
new file mode 100644
index 0000000..0160e79
--- /dev/null
+++ b/test/issue686-multiple-march/main/dub.json
@@ -0,0 +1,7 @@
+{
+	"name": "main",
+	"dependencies": {
+		"a": {"path": "../a"},
+		"b": {"path": "../b"}
+	}
+}
\ No newline at end of file
diff --git a/test/issue686-multiple-march/main/source/main.d b/test/issue686-multiple-march/main/source/main.d
new file mode 100644
index 0000000..fba3ebb
--- /dev/null
+++ b/test/issue686-multiple-march/main/source/main.d
@@ -0,0 +1,8 @@
+import a;
+import b;
+
+void main()
+{
+	afun();
+	bfun();
+}
\ No newline at end of file