diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 959b55eb..d86fe473 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -62,6 +62,7 @@ video tutorials.
  - Mário Freitas
  - GeO4d
  - Marcus Geelnard
+ - ghuser404
  - Charles Giessen
  - Ryan C. Gordon
  - Stephen Gowen
diff --git a/README.md b/README.md
index b13739f1..e3f7d9e7 100644
--- a/README.md
+++ b/README.md
@@ -202,6 +202,9 @@ information on what to include when reporting a bug.
    later (#1783,#1796)
  - [Win32] Bugfix: Compilation with LLVM for Windows failed (#1807,#1824,#1874)
  - [Win32] Bugfix: The foreground lock timeout was overridden, ignoring the user
+ - [Win32] Bugfix: Content scale queries could fail silently (#1615)
+ - [Win32] Bugfix: Content scales could have garbage values if monitor was recently
+   disconnected (#1615)
  - [Cocoa] Added support for `VK_EXT_metal_surface` (#1619)
  - [Cocoa] Added locating the Vulkan loader at runtime in an application bundle
  - [Cocoa] Moved main menu creation to GLFW initialization time (#1649)
diff --git a/src/win32_monitor.c b/src/win32_monitor.c
index 17359a5f..cdee49a9 100644
--- a/src/win32_monitor.c
+++ b/src/win32_monitor.c
@@ -317,8 +317,19 @@ void _glfwGetHMONITORContentScaleWin32(HMONITOR handle, float* xscale, float* ys
 {
     UINT xdpi, ydpi;
 
+    if (xscale)
+        *xscale = 0.f;
+    if (yscale)
+        *yscale = 0.f;
+
     if (IsWindows8Point1OrGreater())
-        GetDpiForMonitor(handle, MDT_EFFECTIVE_DPI, &xdpi, &ydpi);
+    {
+        if (GetDpiForMonitor(handle, MDT_EFFECTIVE_DPI, &xdpi, &ydpi) != S_OK)
+        {
+            _glfwInputError(GLFW_PLATFORM_ERROR, "Win32: Failed to query monitor DPI");
+            return;
+        }
+    }
     else
     {
         const HDC dc = GetDC(NULL);