diff --git a/source/dub/generators/generator.d b/source/dub/generators/generator.d
index 3eeb807..2852c3d 100644
--- a/source/dub/generators/generator.d
+++ b/source/dub/generators/generator.d
@@ -245,7 +245,7 @@
 		// add main source files to root executable
 		{
 			auto bs = &roottarget.buildSettings;
-			if (bs.targetType == TargetType.executable) bs.addSourceFiles(mainSourceFiles);
+			if (bs.targetType == TargetType.executable || genSettings.single) bs.addSourceFiles(mainSourceFiles);
 		}
 
 		if (genSettings.filterVersions)
diff --git a/test/issue1505-single-file-package-dynamic-library.d b/test/issue1505-single-file-package-dynamic-library.d
new file mode 100644
index 0000000..56337a6
--- /dev/null
+++ b/test/issue1505-single-file-package-dynamic-library.d
@@ -0,0 +1,13 @@
+/+ dub.sdl:
+   name "single-file-test-dynamic-library"
+   targetType "dynamicLibrary"
++/
+
+module hellolib;
+
+version(Windows)
+{
+    import core.sys.windows.dll;
+
+    mixin SimpleDllMain;
+}
diff --git a/test/issue1505-single-file-package-dynamic-library.sh b/test/issue1505-single-file-package-dynamic-library.sh
new file mode 100755
index 0000000..a08bef6
--- /dev/null
+++ b/test/issue1505-single-file-package-dynamic-library.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+. $(dirname "${BASH_SOURCE[0]}")/common.sh
+cd ${CURR_DIR}
+rm -f libsingle-file-test-dynamic-library.{so,dylib}
+rm -f single-file-test-dynamic-library.dll
+
+${DUB} build --single issue1505-single-file-package-dynamic-library.d
+if [ ! -f libsingle-file-test-dynamic-library.{so,dylib} ] && [ ! -f single-file-test-dynamic-library.dll ]; then
+	die $LINENO 'Normal invocation did not produce a dynamic library in the current directory'
+fi
+rm -f libsingle-file-test-dynamic-library.{so,dylib}
+rm -f single-file-test-dynamic-library.dll