diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 0090276e..3126b997 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -177,7 +177,7 @@ jobs:
             architecture: x64
             vcpkgtriplet: x64-windows 
             sourcefile: main.cpp
-            download-datafiles: http://mattmahoney.net/dc/enwik9.zip
+            download-datafiles: "http://mattmahoney.net/dc/enwik9.zip"
             compileroptions: /std:c++20 /O2 /GL /D "NDEBUG" /D "CFOA_EMBEDDED_GROUP_ACCESS" /EHsc /MD /Fe:benchmark.exe
             outputfile: benchmark.exe            
             reportdir: vs-x64
@@ -188,7 +188,7 @@ jobs:
             architecture: x86
             vcpkgtriplet: x86-windows 
             sourcefile: main.cpp
-            download-datafiles: http://mattmahoney.net/dc/enwik8.zip
+            download-datafiles: "http://mattmahoney.net/dc/enwik8.zip"
             compileroptions: /std:c++20 /O2 /GL /D "NDEBUG" /D "CFOA_EMBEDDED_GROUP_ACCESS" /EHsc /MD /Fe:benchmark.exe
             outputfile: benchmark.exe            
             reportdir: vs-x86