diff --git a/pkgs/by-name/ng/nghttp3/package.nix b/pkgs/by-name/ng/nghttp3/package.nix
index 784e5c3ecf6a..3b9b0098765a 100644
--- a/pkgs/by-name/ng/nghttp3/package.nix
+++ b/pkgs/by-name/ng/nghttp3/package.nix
@@ -23,9 +23,16 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [ cmake ];
 
-  cmakeFlags = [
-    (lib.cmakeBool "ENABLE_STATIC_LIB" false)
-  ];
+  cmakeFlags =
+    if stdenv.hostPlatform.isStatic then
+      [
+        (lib.cmakeBool "ENABLE_SHARED_LIB" false)
+        (lib.cmakeBool "ENABLE_STATIC_LIB" true)
+      ]
+    else
+      [
+        (lib.cmakeBool "ENABLE_STATIC_LIB" false)
+      ];
 
   doCheck = true;
 
diff --git a/pkgs/development/libraries/ngtcp2/default.nix b/pkgs/development/libraries/ngtcp2/default.nix
index bf595f473050..9de9314dc37d 100644
--- a/pkgs/development/libraries/ngtcp2/default.nix
+++ b/pkgs/development/libraries/ngtcp2/default.nix
@@ -36,9 +36,19 @@ stdenv.mkDerivation (finalAttrs: {
   ]
   ++ lib.optional withJemalloc jemalloc;
 
-  cmakeFlags = [
-    (lib.cmakeBool "ENABLE_STATIC_LIB" false)
-  ];
+  cmakeFlags =
+    if stdenv.hostPlatform.isStatic then
+      [
+        # The examples try to link against `ngtcp2_crypto_ossl` and `ngtcp2` libraries.
+        # This works in the dynamic case where the targets have the same name, but not here where they're suffixed with `_static`.
+        (lib.cmakeBool "ENABLE_LIB_ONLY" true)
+        (lib.cmakeBool "ENABLE_SHARED_LIB" false)
+        (lib.cmakeBool "ENABLE_STATIC_LIB" true)
+      ]
+    else
+      [
+        (lib.cmakeBool "ENABLE_STATIC_LIB" false)
+      ];
 
   doCheck = true;