diff --git a/.github/workflows/quiche-linux.yml b/.github/workflows/quiche-linux.yml
index 69c328b47b..e307cb99db 100644
--- a/.github/workflows/quiche-linux.yml
+++ b/.github/workflows/quiche-linux.yml
@@ -72,6 +72,7 @@ jobs:
             --enable-debug
             --with-quiche=/home/runner/quiche/target/release
             --with-test-nghttpx="$HOME/nghttpx/bin/nghttpx"
+            --with-ca-fallback
 
     steps:
     - run: |
diff --git a/lib/vquic/curl_quiche.c b/lib/vquic/curl_quiche.c
index 3598de1c7a..9386c71bd2 100644
--- a/lib/vquic/curl_quiche.c
+++ b/lib/vquic/curl_quiche.c
@@ -165,7 +165,7 @@ static CURLcode quic_x509_store_setup(struct Curl_cfilter *cf,
       else {
         /* verifying the peer without any CA certificates won't work so
            use openssl's built-in default as fallback */
-        SSL_CTX_set_default_verify_paths(ssl_ctx);
+        SSL_CTX_set_default_verify_paths(ctx->sslctx);
       }
 #endif
     }