diff --git a/steps-guix/guix-1.5.0/pass1.sh b/steps-guix/guix-1.5.0/pass1.sh
index f2517de2..1fb19cfc 100755
--- a/steps-guix/guix-1.5.0/pass1.sh
+++ b/steps-guix/guix-1.5.0/pass1.sh
@@ -175,10 +175,10 @@ src_configure() {
     argp_ldflags="-L${KERNEL_SYSROOT}/lib"
     guile_cflags="$(PKG_CONFIG_LIBDIR="${pkg_config_path}" PKG_CONFIG_PATH="${pkg_config_path}" \
         /usr/bin/pkg-config --cflags guile-3.0)"
-    # Guix daemon links Guile statically in this environment; use --static so
-    # private deps (e.g. libunistring for uc_* symbols) are included.
+    # Guix runtime loads Guile extensions such as guile-gnutls dynamically.
+    # Link against the shared libguile so those extensions reuse one runtime.
     guile_libs="$(PKG_CONFIG_LIBDIR="${pkg_config_path}" PKG_CONFIG_PATH="${pkg_config_path}" \
-        /usr/bin/pkg-config --static --libs guile-3.0)"
+        /usr/bin/pkg-config --libs guile-3.0)"
 
     probe_guile_module gnutls
     probe_guile_module git
diff --git a/steps-guix/improve/guix-daemon-and-pull.sh b/steps-guix/improve/guix-daemon-and-pull.sh
index 2d13e187..52bd1406 100644
--- a/steps-guix/improve/guix-daemon-and-pull.sh
+++ b/steps-guix/improve/guix-daemon-and-pull.sh
@@ -17,6 +17,20 @@ guix_seed_helper="/steps-guix/improve/guix-1.5.0.sh"
 guix_patch_dir="/steps-guix/guix-1.5.0/patches"
 PATH="/usr/sbin:/sbin:${PATH}"
 export GUIX_DAEMON_SOCKET="${daemon_socket}"
+guile_site_path="${PREFIX}/share/guile/site/3.0:${PREFIX}/share/guile/3.0"
+guile_site_ccache="${LIBDIR}/guile/3.0/site-ccache"
+guile_core_ccache="${LIBDIR}/guile/3.0/ccache"
+guile_ext_path="${LIBDIR}/guile/3.0/extensions"
+
+# Keep Guile runtime lookup deterministic for both CLI and daemon-side Guile
+# helpers.
+export LD_LIBRARY_PATH="${LIBDIR}:${PREFIX}/lib:${LD_LIBRARY_PATH}"
+export GUILE_LOAD_PATH="${guile_site_path}"
+export GUILE_LOAD_COMPILED_PATH="${guile_site_ccache}:${guile_core_ccache}"
+export GUILE_SYSTEM_PATH="${guile_site_path}"
+export GUILE_SYSTEM_COMPILED_PATH="${guile_site_ccache}:${guile_core_ccache}"
+export GUILE_EXTENSIONS_PATH="${guile_ext_path}"
+export GNUTLS_GUILE_EXTENSION_DIR="${guile_ext_path}"
 
 have_group() {
     if command -v getent >/dev/null 2>&1; then