diff --git a/source/dub/compilers/dmd.d b/source/dub/compilers/dmd.d
index e2fb472..b77bc6e 100644
--- a/source/dub/compilers/dmd.d
+++ b/source/dub/compilers/dmd.d
@@ -134,6 +134,11 @@
 			settings.lflags = null;
 		}
 
+		version (Posix) {
+			if (settings.targetType == TargetType.dynamicLibrary)
+				settings.addDFlags("-fPIC");
+		}
+
 		assert(fields & BuildSetting.dflags);
 		assert(fields & BuildSetting.copyFiles);
 	}
@@ -167,7 +172,7 @@
 				break;
 			case TargetType.dynamicLibrary:
 				version (Windows) settings.addDFlags("-shared");
-				else settings.addDFlags("-shared", "-fPIC");
+				else settings.addDFlags("-shared", "-defaultlib=libphobos2.so");
 				break;
 			case TargetType.object:
 				settings.addDFlags("-c");
diff --git a/test/issue613-dynlib-pic/.gitignore b/test/issue613-dynlib-pic/.gitignore
new file mode 100644
index 0000000..433d266
--- /dev/null
+++ b/test/issue613-dynlib-pic/.gitignore
@@ -0,0 +1,5 @@
+.dub
+docs.json
+__dummy.html
+*.o
+*.obj
diff --git a/test/issue613-dynlib-pic/.no_run b/test/issue613-dynlib-pic/.no_run
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/issue613-dynlib-pic/.no_run
diff --git a/test/issue613-dynlib-pic/.no_test b/test/issue613-dynlib-pic/.no_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/issue613-dynlib-pic/.no_test
diff --git a/test/issue613-dynlib-pic/dub.sdl b/test/issue613-dynlib-pic/dub.sdl
new file mode 100644
index 0000000..4e79125
--- /dev/null
+++ b/test/issue613-dynlib-pic/dub.sdl
@@ -0,0 +1,4 @@
+name "issue613-dynlib-pic"
+targetType "dynamicLibrary"
+
+// TODO: instead of just testing build success, test if -shared, -fPIC and -defaultlib have all been specified correctly
\ No newline at end of file
diff --git a/test/issue613-dynlib-pic/source/app.d b/test/issue613-dynlib-pic/source/app.d
new file mode 100644
index 0000000..26a3f4d
--- /dev/null
+++ b/test/issue613-dynlib-pic/source/app.d
@@ -0,0 +1,4 @@
+void test()
+{
+	
+}
\ No newline at end of file