diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index a21fbef9148..c8332d11c7e 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -130,8 +130,7 @@ def cmd_msbuild(
 # dependencies, listed in order of compilation
 DEPS: dict[str, dict[str, Any]] = {
     "libjpeg": {
-        "url": f"{SF_PROJECTS}/libjpeg-turbo/files/{V['JPEGTURBO']}/"
-        f"libjpeg-turbo-{V['JPEGTURBO']}.tar.gz/download",
+        "url": f"{SF_PROJECTS}/libjpeg-turbo/files/{V['JPEGTURBO']}/FILENAME/download",
         "filename": f"libjpeg-turbo-{V['JPEGTURBO']}.tar.gz",
         "dir": f"libjpeg-turbo-{V['JPEGTURBO']}",
         "license": ["README.ijg", "LICENSE.md"],
@@ -161,7 +160,7 @@ def cmd_msbuild(
         "bins": ["cjpeg.exe", "djpeg.exe"],
     },
     "zlib": {
-        "url": f"https://zlib.net/zlib{V['ZLIB_DOTLESS']}.zip",
+        "url": "https://zlib.net/FILENAME",
         "filename": f"zlib{V['ZLIB_DOTLESS']}.zip",
         "dir": f"zlib-{V['ZLIB']}",
         "license": "README",
@@ -175,7 +174,7 @@ def cmd_msbuild(
         "libs": [r"*.lib"],
     },
     "xz": {
-        "url": f"https://github.com/tukaani-project/xz/releases/download/v{V['XZ']}/xz-{V['XZ']}.tar.gz",
+        "url": f"https://github.com/tukaani-project/xz/releases/download/v{V['XZ']}/FILENAME",
         "filename": f"xz-{V['XZ']}.tar.gz",
         "dir": f"xz-{V['XZ']}",
         "license": "COPYING",
@@ -188,7 +187,7 @@ def cmd_msbuild(
         "libs": [r"lzma.lib"],
     },
     "libwebp": {
-        "url": f"http://downloads.webmproject.org/releases/webp/libwebp-{V['LIBWEBP']}.tar.gz",
+        "url": "http://downloads.webmproject.org/releases/webp/FILENAME",
         "filename": f"libwebp-{V['LIBWEBP']}.tar.gz",
         "dir": f"libwebp-{V['LIBWEBP']}",
         "license": "COPYING",
@@ -210,7 +209,7 @@ def cmd_msbuild(
         "libs": [r"libsharpyuv.lib", r"libwebp*.lib"],
     },
     "libtiff": {
-        "url": f"https://download.osgeo.org/libtiff/tiff-{V['TIFF']}.tar.gz",
+        "url": "https://download.osgeo.org/libtiff/FILENAME",
         "filename": f"tiff-{V['TIFF']}.tar.gz",
         "dir": f"tiff-{V['TIFF']}",
         "license": "LICENSE.md",
@@ -268,7 +267,7 @@ def cmd_msbuild(
         "libs": ["*.lib"],
     },
     "freetype": {
-        "url": f"https://download.savannah.gnu.org/releases/freetype/freetype-{V['FREETYPE']}.tar.gz",
+        "url": "https://download.savannah.gnu.org/releases/freetype/FILENAME",
         "filename": f"freetype-{V['FREETYPE']}.tar.gz",
         "dir": f"freetype-{V['FREETYPE']}",
         "license": ["LICENSE.TXT", r"docs\FTL.TXT", r"docs\GPLv2.TXT"],
@@ -303,7 +302,7 @@ def cmd_msbuild(
         "libs": [r"objs\{msbuild_arch}\Release Static\freetype.lib"],
     },
     "lcms2": {
-        "url": f"{SF_PROJECTS}/lcms/files/lcms/{V['LCMS2']}/lcms2-{V['LCMS2']}.tar.gz/download",  # noqa: E501
+        "url": f"{SF_PROJECTS}/lcms/files/lcms/{V['LCMS2']}/FILENAME/download",
         "filename": f"lcms2-{V['LCMS2']}.tar.gz",
         "dir": f"lcms2-{V['LCMS2']}",
         "license": "LICENSE",
@@ -497,7 +496,7 @@ def extract_dep(url: str, filename: str, prefs: dict[str, str]) -> None:
         except RuntimeError as exc:
             # Otherwise try upstream
             print(exc)
-            download_dep(url, file)
+            download_dep(url.replace("FILENAME", filename), file)
 
     print("Extracting " + filename)
     sources_dir_abs = os.path.abspath(sources_dir)