diff --git a/qns/Dockerfile b/qns/Dockerfile
index 8ea9375ee0..96487b4f59 100644
--- a/qns/Dockerfile
+++ b/qns/Dockerfile
@@ -17,6 +17,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 # not compiled with support for SSLKEYLOGFILE.
 # See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842292
 ENV NSS_DIR=/nss \
+    NSS_TARGET=Release \
+    NSS_PREBUILT=1 \
     NSPR_DIR=/nspr \
     LD_LIBRARY_PATH=/dist/Release/lib