diff --git a/.github/workflows/rust-openssl.yml b/.github/workflows/rust-openssl.yml
index 4ff41c0..d3b2bee 100644
--- a/.github/workflows/rust-openssl.yml
+++ b/.github/workflows/rust-openssl.yml
@@ -34,6 +34,10 @@ jobs:
       - name: "Run rust-openssl tests"
         run: |
           cd rust-openssl
+
+          # apply patch - see #1187
+          curl -L https://raw.githubusercontent.com/openbsd/ports/refs/heads/master/security/rust-openssl-tests/patches/patch-openssl-sys_src_handwritten_evp_rs | patch -p0
+
           # instead of erroring use the last supported version
           ed -s openssl-sys/build/main.rs <<-EOF
           /_ => version_error/-1