diff --git a/doc/changelog.dox b/doc/changelog.dox
index 4f147c1b2..0f2145430 100644
--- a/doc/changelog.dox
+++ b/doc/changelog.dox
@@ -268,6 +268,9 @@ See also:
 -   Calling @ref Platform::Sdl2Application::setSwapInterval() with @cpp 0 @ce
     caused @ref Platform::Sdl2Application::setMinimalLoopPeriod() "setMinimalLoopPeriod()"
     to be ignored even though Vsync was in fact not enabled.
+-   It was not possible to override DPI scaling using
+    @ref Platform::Sdl2Application::Configuration as command-line arguments
+    always got a priority (see [mosra/magnum#416](https://github.com/mosra/magnum/issues/416))
 -   Fixed an otherwise harmless OOB access in @ref MeshTools::tipsify() that
     could trigger ASan or debug iterator errors
 -   With @ref Corrade/Utility/DebugStl.h not being included, @ref std::string
diff --git a/src/Magnum/Platform/GlfwApplication.cpp b/src/Magnum/Platform/GlfwApplication.cpp
index 86e57b359..2f7f19ba5 100644
--- a/src/Magnum/Platform/GlfwApplication.cpp
+++ b/src/Magnum/Platform/GlfwApplication.cpp
@@ -145,13 +145,14 @@ Vector2 GlfwApplication::dpiScaling(const Configuration& configuration) {
     /** @todo */
     #endif
 
-    /* Use values from the configuration only if not overriden on command line.
-       In any case explicit scaling has a precedence before the policy. */
+    /* Use values from the configuration only if not overriden on command line
+       to something non-default. In any case explicit scaling has a precedence
+       before the policy. */
     Implementation::GlfwDpiScalingPolicy dpiScalingPolicy{};
     if(!_commandLineDpiScaling.isZero()) {
         Debug{verbose} << "Platform::GlfwApplication: user-defined DPI scaling" << _commandLineDpiScaling.x();
         return _commandLineDpiScaling;
-    } else if(UnsignedByte(_commandLineDpiScalingPolicy)) {
+    } else if(_commandLineDpiScalingPolicy != Implementation::GlfwDpiScalingPolicy::Default) {
         dpiScalingPolicy = _commandLineDpiScalingPolicy;
     } else if(!configuration.dpiScaling().isZero()) {
         Debug{verbose} << "Platform::GlfwApplication: app-defined DPI scaling" << _commandLineDpiScaling.x();
diff --git a/src/Magnum/Platform/Sdl2Application.cpp b/src/Magnum/Platform/Sdl2Application.cpp
index f7827335c..276c7ee55 100644
--- a/src/Magnum/Platform/Sdl2Application.cpp
+++ b/src/Magnum/Platform/Sdl2Application.cpp
@@ -206,13 +206,14 @@ Vector2 Sdl2Application::dpiScaling(const Configuration& configuration) {
     /* Handled below, warning printed only when using virtual DPI scaling */
     #endif
 
-    /* Use values from the configuration only if not overriden on command line.
-       In any case explicit scaling has a precedence before the policy. */
+    /* Use values from the configuration only if not overriden on command line
+       to something non-default. In any case explicit scaling has a precedence
+       before the policy. */
     Implementation::Sdl2DpiScalingPolicy dpiScalingPolicy{};
     if(!_commandLineDpiScaling.isZero()) {
         Debug{verbose} << "Platform::Sdl2Application: user-defined DPI scaling" << _commandLineDpiScaling.x();
         return _commandLineDpiScaling;
-    } else if(UnsignedByte(_commandLineDpiScalingPolicy)) {
+    } else if(_commandLineDpiScalingPolicy != Implementation::Sdl2DpiScalingPolicy::Default) {
         dpiScalingPolicy = _commandLineDpiScalingPolicy;
     } else if(!configuration.dpiScaling().isZero()) {
         Debug{verbose} << "Platform::Sdl2Application: app-defined DPI scaling" << _commandLineDpiScaling.x();
diff --git a/src/Magnum/Platform/Test/GlfwApplicationTest.cpp b/src/Magnum/Platform/Test/GlfwApplicationTest.cpp
index 4b56a1bf6..df4a65dd3 100644
--- a/src/Magnum/Platform/Test/GlfwApplicationTest.cpp
+++ b/src/Magnum/Platform/Test/GlfwApplicationTest.cpp
@@ -25,10 +25,12 @@
 
 #include <Corrade/Containers/Optional.h>
 #include <Corrade/PluginManager/Manager.h>
+#include <Corrade/Utility/Arguments.h>
 #include <Corrade/Utility/DebugStl.h>
 #include <Corrade/Utility/Resource.h>
 
 #include "Magnum/ImageView.h"
+#include "Magnum/Math/ConfigurationValue.h"
 #include "Magnum/Platform/GlfwApplication.h"
 #include "Magnum/Trade/AbstractImporter.h"
 #include "Magnum/Trade/ImageData.h"
@@ -96,7 +98,17 @@ struct GlfwApplicationTest: Platform::Application {
     void drawEvent() override {}
 };
 
-GlfwApplicationTest::GlfwApplicationTest(const Arguments& arguments): Platform::Application{arguments, Configuration{}.setWindowFlags(Configuration::WindowFlag::Resizable)} {
+GlfwApplicationTest::GlfwApplicationTest(const Arguments& arguments): Platform::Application{arguments, NoCreate} {
+    Utility::Arguments args;
+    args.addOption("dpi-scaling").setHelp("dpi-scaling", "DPI scaled passed via Configuration instead of --magnum-dpi-scaling, to test app overrides")
+        .parse(arguments.argc, arguments.argv);
+
+    Configuration conf;
+    conf.setWindowFlags(Configuration::WindowFlag::Resizable);
+    if(!args.value("dpi-scaling").empty())
+        conf.setSize({800, 600}, args.value<Vector2>("dpi-scaling"));
+    create(conf);
+
     /* For testing resize events */
     Debug{} << "window size" << windowSize()
         #ifdef MAGNUM_TARGET_GL
diff --git a/src/Magnum/Platform/Test/Sdl2ApplicationTest.cpp b/src/Magnum/Platform/Test/Sdl2ApplicationTest.cpp
index f81605217..a16ad9ddf 100644
--- a/src/Magnum/Platform/Test/Sdl2ApplicationTest.cpp
+++ b/src/Magnum/Platform/Test/Sdl2ApplicationTest.cpp
@@ -25,10 +25,12 @@
 
 #include <Corrade/Containers/Optional.h>
 #include <Corrade/PluginManager/Manager.h>
+#include <Corrade/Utility/Arguments.h>
 #include <Corrade/Utility/DebugStl.h>
 #include <Corrade/Utility/Resource.h>
 
 #include "Magnum/ImageView.h"
+#include "Magnum/Math/ConfigurationValue.h"
 #include "Magnum/Platform/Sdl2Application.h"
 #include "Magnum/Trade/AbstractImporter.h"
 #include "Magnum/Trade/ImageData.h"
@@ -141,7 +143,18 @@ struct Sdl2ApplicationTest: Platform::Application {
     #endif
 };
 
-Sdl2ApplicationTest::Sdl2ApplicationTest(const Arguments& arguments): Platform::Application{arguments, Configuration{}.setWindowFlags(Configuration::WindowFlag::Resizable)} {
+Sdl2ApplicationTest::Sdl2ApplicationTest(const Arguments& arguments): Platform::Application{arguments, NoCreate} {
+    Utility::Arguments args;
+    args.addOption("dpi-scaling").setHelp("dpi-scaling", "DPI scaled passed via Configuration instead of --magnum-dpi-scaling, to test app overrides")
+        .addSkippedPrefix("magnum", "engine-specific options")
+        .parse(arguments.argc, arguments.argv);
+
+    Configuration conf;
+    conf.setWindowFlags(Configuration::WindowFlag::Resizable);
+    if(!args.value("dpi-scaling").empty())
+        conf.setSize({800, 600}, args.value<Vector2>("dpi-scaling"));
+    create(conf);
+
     /* For testing resize events */
     Debug{} << "window size" << windowSize()
         #ifdef MAGNUM_TARGET_GL