diff --git a/deps/openssl/openssl.gyp b/deps/openssl/openssl.gyp
index f6b157f8d60813..ea3a2dc09ef29b 100644
--- a/deps/openssl/openssl.gyp
+++ b/deps/openssl/openssl.gyp
@@ -5,19 +5,13 @@
     'nasm_version%': '0.0',
     'openssl-cli': '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)openssl-cli<(EXECUTABLE_SUFFIX)',
     'conditions': [
-      ['OS == "win"', {
-        'obj_dir_abs': '<(PRODUCT_DIR_ABS)/obj',
-      }],
       ['GENERATOR == "ninja"', {
-        'obj_dir_abs': '<(PRODUCT_DIR_ABS)/obj',
-        'modules_dir': '<(PRODUCT_DIR_ABS)/obj/lib/openssl-modules',
+        'modules_dir': '<(PRODUCT_DIR_ABS_CSTR)/obj/lib/openssl-modules',
       }, {
-        'obj_dir_abs%': '<(PRODUCT_DIR_ABS)/obj.target',
-        'modules_dir': '<(PRODUCT_DIR_ABS)/obj.target/deps/openssl/lib/openssl-modules',
+        'modules_dir': '<(PRODUCT_DIR_ABS_CSTR)/obj.target/deps/openssl/lib/openssl-modules',
       }],
       ['OS=="mac"', {
-        'obj_dir_abs%': '<(PRODUCT_DIR_ABS)/obj.target',
-        'modules_dir': '<(PRODUCT_DIR_ABS)/obj.target/deps/openssl/lib/openssl-modules',
+        'modules_dir': '<(PRODUCT_DIR_ABS_CSTR)/obj.target/deps/openssl/lib/openssl-modules',
       }],
     ],
   },
diff --git a/tools/gyp/CHANGELOG.md b/tools/gyp/CHANGELOG.md
index 2bec1383e698f9..22257ab93d8929 100644
--- a/tools/gyp/CHANGELOG.md
+++ b/tools/gyp/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.19.1](https://github.com/nodejs/gyp-next/compare/v0.19.0...v0.19.1) (2024-12-09)
+
+
+### Bug Fixes
+
+* fixup for break in EscapeForCString ([#274](https://github.com/nodejs/gyp-next/issues/274)) ([610f661](https://github.com/nodejs/gyp-next/commit/610f661da877a358c8b3cbc106b528fb1d0b8095))
+
 ## [0.19.0](https://github.com/nodejs/gyp-next/compare/v0.18.3...v0.19.0) (2024-12-03)
 
 
diff --git a/tools/gyp/pylib/gyp/__init__.py b/tools/gyp/pylib/gyp/__init__.py
index 5b16e0b9a02f5b..8933d0c4f707c9 100755
--- a/tools/gyp/pylib/gyp/__init__.py
+++ b/tools/gyp/pylib/gyp/__init__.py
@@ -29,7 +29,7 @@ def EscapeForCString(string: bytes | str) -> str:
         string = string.encode(encoding='utf8')
 
     backslash_or_double_quote = {ord('\\'), ord('"')}
-    result = []
+    result = ''
     for char in string:
         if char in backslash_or_double_quote or not 32 <= char < 127:
             result += '\\%03o' % char
diff --git a/tools/gyp/pyproject.toml b/tools/gyp/pyproject.toml
index 7fbd609554bde2..4b0c88c8a22c43 100644
--- a/tools/gyp/pyproject.toml
+++ b/tools/gyp/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "gyp-next"
-version = "0.19.0"
+version = "0.19.1"
 authors = [
   { name="Node.js contributors", email="ryzokuken@disroot.org" },
 ]