diff --git a/distrho/src/DistrhoUI.cpp b/distrho/src/DistrhoUI.cpp
index 8a59ee82..0c7c5cc8 100644
--- a/distrho/src/DistrhoUI.cpp
+++ b/distrho/src/DistrhoUI.cpp
@@ -53,19 +53,22 @@ static double getDesktopScaleFactor(const uintptr_t parentWindowHandle)
         return std::max(1.0, std::atof(scale));
 
 #if defined(DISTRHO_OS_WINDOWS)
-# if defined(__GNUC__) && (__GNUC__ >= 9)
-#  pragma GCC diagnostic push
-#  pragma GCC diagnostic ignored "-Wcast-function-type"
-# endif
     if (const HMODULE Shcore = LoadLibraryA("Shcore.dll"))
     {
         typedef HRESULT(WINAPI* PFN_GetProcessDpiAwareness)(HANDLE, DWORD*);
         typedef HRESULT(WINAPI* PFN_GetScaleFactorForMonitor)(HMONITOR, DWORD*);
 
+# if defined(__GNUC__) && (__GNUC__ >= 9)
+#  pragma GCC diagnostic push
+#  pragma GCC diagnostic ignored "-Wcast-function-type"
+# endif
         const PFN_GetProcessDpiAwareness GetProcessDpiAwareness
             = (PFN_GetProcessDpiAwareness)GetProcAddress(Shcore, "GetProcessDpiAwareness");
         const PFN_GetScaleFactorForMonitor GetScaleFactorForMonitor
             = (PFN_GetScaleFactorForMonitor)GetProcAddress(Shcore, "GetScaleFactorForMonitor");
+# if defined(__GNUC__) && (__GNUC__ >= 9)
+#  pragma GCC diagnostic pop
+# endif
 
         DWORD dpiAware = 0;
         if (GetProcessDpiAwareness && GetScaleFactorForMonitor
@@ -85,9 +88,6 @@ static double getDesktopScaleFactor(const uintptr_t parentWindowHandle)
 
         FreeLibrary(Shcore);
     }
-# if defined(__GNUC__) && (__GNUC__ >= 9)
-#  pragma GCC diagnostic pop
-# endif
 #elif defined(HAVE_X11)
     ::Display* const display = XOpenDisplay(nullptr);
     DISTRHO_SAFE_ASSERT_RETURN(display != nullptr, 1.0);