diff --git a/debian/rules b/debian/rules
index f8ba52676..f12693016 100755
--- a/debian/rules
+++ b/debian/rules
@@ -121,6 +121,9 @@ LD_EXTRA_OPTS := $(shell dpkg-buildflags --get LDFLAGS)
 # https://wiki.debian.org/ReproducibleBuilds/
 CC_EXTRA_OPTS += -DVERSION_NODATE
 
+# Disable unsafe signal handlers
+CC_EXTRA_OPTS += -DNO_SIG_DEBUG
+
 # Fix for UDP buffer issue when TLS is enabled
 CC_EXTRA_OPTS += -pthread -DKSR_PTHREAD_MUTEX_SHARED
 LD_EXTRA_OPTS += -pthread -rdynamic -ldl -Wl,-Bsymbolic-functions