diff --git a/nfq2/lua.c b/nfq2/lua.c
index e8e41b2..3ff3d52 100644
--- a/nfq2/lua.c
+++ b/nfq2/lua.c
@@ -1053,7 +1053,7 @@ static int luacall_execution_plan(lua_State *L)
 			{
 				for (pl=0 ; pl<L7P_LAST ; pl++)
 				{
-					if (func->payload_type & (1<<pl))
+					if (func->payload_type & (1ULL<<pl))
 					{
 						if ((pls = l7payload_str(pl)))
 						{
diff --git a/nfq2/nfqws.c b/nfq2/nfqws.c
index 657b93e..fbf47ff 100644
--- a/nfq2/nfqws.c
+++ b/nfq2/nfqws.c
@@ -1097,7 +1097,7 @@ static bool parse_l7_list(char *opt, uint64_t *l7)
 			break;
 		}
 		else
-			*l7 |= 1<<proto;
+			*l7 |= 1ULL<<proto;
 
 		if (e) *e++ = c;
 		p = e;
@@ -1125,7 +1125,7 @@ static bool parse_l7p_list(char *opt, uint64_t *l7p)
 			break;
 		}
 		else
-			*l7p |= 1<<payload;
+			*l7p |= 1ULL<<payload;
 
 		if (e) *e++ = c;
 		p = e;
@@ -1379,7 +1379,7 @@ static void LuaDesyncDebug(struct desync_profile *dp, const char *entity)
 			if (func->payload_type)
 			{
 				for(i=0;i<L7P_LAST;i++)
-					if (func->payload_type & (1<<i))
+					if (func->payload_type & (1ULL<<i))
 						DLOG(" %s", l7payload_str(i));
 			}
 			else
diff --git a/nfq2/params.c b/nfq2/params.c
index 591f56e..1cb14a5 100644
--- a/nfq2/params.c
+++ b/nfq2/params.c
@@ -594,7 +594,7 @@ void init_params(struct params_s *params)
 	LIST_INIT(&params->blobs);
 	LIST_INIT(&params->lua_init_scripts);
 
-	params->reasm_payload_disable = params->payload_disable = 1<<L7P_NONE;
+	params->reasm_payload_disable = params->payload_disable = 1ULL<<L7P_NONE;
 
 #ifdef __CYGWIN__
 	LIST_INIT(&params->ssid_filter);
diff --git a/nfq2/sec.c b/nfq2/sec.c
index 1d77b3d..506625f 100644
--- a/nfq2/sec.c
+++ b/nfq2/sec.c
@@ -210,10 +210,10 @@ int getmaxcap(void)
 }
 bool dropcaps(void)
 {
-	uint64_t caps = (1<<CAP_NET_ADMIN)|(1<<CAP_NET_RAW);
+	uint64_t caps = (1ULL<<CAP_NET_ADMIN)|(1ULL<<CAP_NET_RAW);
 	int maxcap = getmaxcap();
 
-	if (setpcap(caps|(1<<CAP_SETPCAP)))
+	if (setpcap(caps|(1ULL<<CAP_SETPCAP)))
 	{
 		for (int cap = 0; cap <= maxcap; cap++)
 		{
@@ -249,7 +249,7 @@ bool can_drop_root(void)
 {
 #ifdef __linux__
 	// has some caps
-	return checkpcap((1<<CAP_SETUID)|(1<<CAP_SETGID));
+	return checkpcap((1ULL<<CAP_SETUID)|(1ULL<<CAP_SETGID));
 #else
 	// effective root
 	return !geteuid();