diff --git a/debian/install-wolfprov.sh b/debian/install-wolfprov.sh
index 99432df8..c0857841 100755
--- a/debian/install-wolfprov.sh
+++ b/debian/install-wolfprov.sh
@@ -100,6 +100,7 @@ wolfprov_build() {
     WOLFSSL_ISFIPS=${WOLFSSL_ISFIPS:-0}
     dpkg-buildpackage -us -uc \
     -eWOLFSSL_ISFIPS \
+    -eWOLFPROV_DEBUG \
     -eCC -eCXX \
     -eCCACHE_DIR -eCCACHE_BASEDIR -eCCACHE_NOHASHDIR -eCCACHE_COMPILERCHECK
 
diff --git a/debian/rules b/debian/rules
index c4751089..4107443f 100755
--- a/debian/rules
+++ b/debian/rules
@@ -37,7 +37,7 @@ ifeq ($(WOLFPROV_DEBUG),1)
   VARIANT           := $(VARIANT)-debug
   VARIANT_DESC      := $(VARIANT_DESC) with debug logs
   VERSION           := $(VERSION)-debug
-  DEBUG_FLAG        := --enable-debug
+  DEBUG_FLAG        := --enable-debug --enable-debug-silent
 endif
 
 ifeq ($(DEB_CFLAGS_APPEND),)
@@ -57,9 +57,9 @@ override_dh_auto_configure:
 		# ensure only our .pc dirs are searched: \
 		PKG_CONFIG_DIR= PKG_CONFIG_PATH= \
 		PKG_CONFIG_LIBDIR="$(PKG_CONFIG_LIBDIR)" \
-		dh_auto_configure -- $(DEBUG_FLAG); \
+		dh_auto_configure -- $(DEBUG_FLAG) --enable-seed-src; \
 	else \
-		./configure $(DEBUG_FLAG); \
+		./configure $(DEBUG_FLAG) --enable-seed-src; \
 	fi
 
 override_dh_auto_build:
diff --git a/src/wp_seed_src.c b/src/wp_seed_src.c
index c6704c2d..fd4b3dad 100644
--- a/src/wp_seed_src.c
+++ b/src/wp_seed_src.c
@@ -71,7 +71,9 @@ static XFILE g_urandom_file = XBADFILE;
 /*
  * Flag indicating whether the seed callback has been registered.
  */
+#ifdef WC_RNG_SEED_CB
 static int g_seed_cb_registered = 0;
+#endif
 
 /**
  * wolfSSL seed callback that uses the cached /dev/urandom file.