diff --git a/contrib/guix/guix-build b/contrib/guix/guix-build
index a5131d72f7..176eab32f9 100755
--- a/contrib/guix/guix-build
+++ b/contrib/guix/guix-build
@@ -447,6 +447,7 @@ EOF
                                  ${SUBSTITUTE_URLS:+--substitute-urls="$SUBSTITUTE_URLS"} \
                                  ${ADDITIONAL_GUIX_COMMON_FLAGS} ${ADDITIONAL_GUIX_ENVIRONMENT_FLAGS} \
                                  -- env HOST="$host" \
+                                        CONFIGFLAGS="$CONFIGFLAGS" \
                                         DISTNAME="$DISTNAME" \
                                         JOBS="$JOBS" \
                                         SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:?unable to determine value}" \
diff --git a/contrib/guix/libexec/build.sh b/contrib/guix/libexec/build.sh
index 060cf79cf8..895e1b86ac 100644
--- a/contrib/guix/libexec/build.sh
+++ b/contrib/guix/libexec/build.sh
@@ -27,6 +27,7 @@ Required environment variables as seen inside the container:
     DIST_ARCHIVE_BASE: ${DIST_ARCHIVE_BASE:?not set}
     DISTNAME: ${DISTNAME:?not set}
     HOST: ${HOST:?not set}
+    CONFIGFLAGS: ${CONFIGFLAGS:?not set}
     SOURCE_DATE_EPOCH: ${SOURCE_DATE_EPOCH:?not set}
     JOBS: ${JOBS:?not set}
     DISTSRC: ${DISTSRC:?not set}
@@ -229,7 +230,7 @@ mkdir -p "$OUTDIR"
 ###########################
 
 # CONFIGFLAGS
-CONFIGFLAGS="--enable-reduce-exports --disable-bench --disable-gui-tests --disable-fuzz-binary"
+CONFIGFLAGS+=" --enable-reduce-exports --disable-bench --disable-gui-tests --disable-fuzz-binary"
 case "$HOST" in
     *linux*) CONFIGFLAGS+=" --disable-threadlocal" ;;
 esac