diff --git a/nix/node_modules.nix b/nix/node_modules.nix
index 6c188c07cf7..aa1d35e9d9d 100644
--- a/nix/node_modules.nix
+++ b/nix/node_modules.nix
@@ -47,6 +47,9 @@ stdenvNoCC.mkDerivation {
 
   buildPhase = ''
     runHook preBuild
+    if [ -n "''${NIX_SSL_CERT_FILE:-}" ]; then
+      export NODE_EXTRA_CA_CERTS="$NIX_SSL_CERT_FILE"
+    fi
     export BUN_INSTALL_CACHE_DIR=$(mktemp -d)
     bun install \
       --cpu="${bunCpu}" \