diff --git a/src/vars.c b/src/vars.c
index 130e98b..bfa04c3 100644
--- a/src/vars.c
+++ b/src/vars.c
@@ -734,7 +734,7 @@
 	const char *var_name = args[*arg-1];
 	int var_len;
 	const char *kw_name;
-	int flags, set_var = 0;
+	int flags = 0, set_var = 0;
 
 	if (strncmp(var_name, "set-var", 7) == 0) {
 		var_name += 7;
@@ -780,19 +780,31 @@
 		px->conf.args.ctx = ARGC_TSE;
 		break;
 	case ACT_F_TCP_REQ_CNT:
-		flags = (px->cap & PR_CAP_FE) ? SMP_VAL_FE_REQ_CNT : SMP_VAL_BE_REQ_CNT;
+		if (px->cap & PR_CAP_FE)
+			flags |= SMP_VAL_FE_REQ_CNT;
+		if (px->cap & PR_CAP_BE)
+			flags |= SMP_VAL_BE_REQ_CNT;
 		px->conf.args.ctx = ARGC_TRQ;
 		break;
 	case ACT_F_TCP_RES_CNT:
-		flags = (px->cap & PR_CAP_FE) ? SMP_VAL_FE_RES_CNT : SMP_VAL_BE_RES_CNT;
+		if (px->cap & PR_CAP_FE)
+			flags |= SMP_VAL_FE_RES_CNT;
+		if (px->cap & PR_CAP_BE)
+			flags |= SMP_VAL_BE_RES_CNT;
 		px->conf.args.ctx = ARGC_TRS;
 		break;
 	case ACT_F_HTTP_REQ:
-		flags = (px->cap & PR_CAP_FE) ? SMP_VAL_FE_HRQ_HDR : SMP_VAL_BE_HRQ_HDR;
+		if (px->cap & PR_CAP_FE)
+			flags |= SMP_VAL_FE_HRQ_HDR;
+		if (px->cap & PR_CAP_BE)
+			flags |= SMP_VAL_BE_HRQ_HDR;
 		px->conf.args.ctx = ARGC_HRQ;
 		break;
 	case ACT_F_HTTP_RES:
-		flags = (px->cap & PR_CAP_BE) ? SMP_VAL_BE_HRS_HDR : SMP_VAL_FE_HRS_HDR;
+		if (px->cap & PR_CAP_FE)
+			flags |= SMP_VAL_FE_HRS_HDR;
+		if (px->cap & PR_CAP_BE)
+			flags |= SMP_VAL_BE_HRS_HDR;
 		px->conf.args.ctx =  ARGC_HRS;
 		break;
 	case ACT_F_TCP_CHK: