diff --git a/pkgs/development/libraries/ngtcp2/default.nix b/pkgs/development/libraries/ngtcp2/default.nix
index efc54fd6fca0..5ed09017f0fb 100644
--- a/pkgs/development/libraries/ngtcp2/default.nix
+++ b/pkgs/development/libraries/ngtcp2/default.nix
@@ -41,7 +41,10 @@ stdenv.mkDerivation (finalAttrs: {
     # This works in the dynamic case where the targets have the same name, but not here where they're suffixed with `_static`.
     # Also, the examples depend on Linux-specific APIs, so we avoid them on FreeBSD/Cygwin too.
     (lib.cmakeBool "ENABLE_LIB_ONLY" (
-      stdenv.hostPlatform.isStatic || stdenv.hostPlatform.isFreeBSD || stdenv.hostPlatform.isCygwin
+      stdenv.hostPlatform.isStatic
+      || stdenv.hostPlatform.isFreeBSD
+      || stdenv.hostPlatform.isCygwin
+      || stdenv.hostPlatform.isWindows
     ))
     (lib.cmakeBool "ENABLE_SHARED_LIB" (!stdenv.hostPlatform.isStatic))
     (lib.cmakeBool "ENABLE_STATIC_LIB" stdenv.hostPlatform.isStatic)
@@ -58,7 +61,7 @@ stdenv.mkDerivation (finalAttrs: {
     changelog = "https://github.com/ngtcp2/ngtcp2/releases/tag/v${finalAttrs.version}";
     description = "Implementation of the QUIC protocol (RFC9000)";
     license = lib.licenses.mit;
-    platforms = lib.platforms.unix;
+    platforms = lib.platforms.unix ++ lib.platforms.windows;
     maintainers = with lib.maintainers; [ izorkin ];
   };
 })