diff --git a/man/teamdctl.8 b/man/teamdctl.8
index 55262e6..fb2876d 100644
--- a/man/teamdctl.8
+++ b/man/teamdctl.8
@@ -50,6 +50,8 @@ Prints out state of teamd parsed from JSON state document.
 .TP
 .BI "state item get " state_item_path
 Finds state item in JSON state document and returns its value.
+
+If PORTIFNAME in state_item_path has any sensitive character, use double quotation marks to escape it, like: ports."eth1.1".link_watches.up. To process state_item_path of 'state item set' is the same as here.
 .TP
 .BI "state item set " "state_item_path value"
 Finds state item in JSON state document and sets its value by value parameter. This is available only for a limited number of paths:
diff --git a/teamd/teamd_json.c b/teamd/teamd_json.c
index 5fd5e8e..b5e5464 100644
--- a/teamd/teamd_json.c
+++ b/teamd/teamd_json.c
@@ -76,7 +76,16 @@ static int __teamd_json_path_lite_va(json_t **p_json_obj, json_t *json_root,
 			char tmp = 0; /* gcc needs this initialized */
 
 			ptr++;
-			end = __strchrs(ptr, ".[");
+			if (*ptr == '\"') {
+				ptr++;
+				end = strrchr(ptr, '\"');
+				if (end) {
+					*end = '\0';
+					end++;
+				}
+			} else {
+				end = __strchrs(ptr, ".[");
+			}
 			if (end) {
 				tmp = *end;
 				*end = '\0';
diff --git a/teamd/teamd_state.c b/teamd/teamd_state.c
index 51fac8d..ab64db9 100644
--- a/teamd/teamd_state.c
+++ b/teamd/teamd_state.c
@@ -195,7 +195,7 @@ static int teamd_state_build_val_json_subpath(json_t **p_vg_json_obj,
 	char *dot;
 
 	if (tdport)
-		ret = asprintf(&path, "$." TEAMD_STATE_PER_PORT_PREFIX "%s%s",
+		ret = asprintf(&path, "$." TEAMD_STATE_PER_PORT_PREFIX "\"%s\"%s",
 			       tdport->ifname, subpath);
 	else
 		ret = asprintf(&path, "$%s", subpath);
@@ -296,13 +296,25 @@ static int __find_by_item_path(struct teamd_state_val_item **p_item,
 
 	if (!strncmp(item_path, TEAMD_STATE_PER_PORT_PREFIX,
 		     strlen(TEAMD_STATE_PER_PORT_PREFIX))) {
+		char *ifname_start, *ifname_end;
 		struct teamd_port *cur_tdport;
-		char *ifname_start = strchr(item_path, '.') + 1;
-		char *ifname_end = strchr(ifname_start, '.');
-		size_t ifname_len = ifname_end - ifname_start;
+		size_t ifname_len;
+
+		ifname_start = strchr(item_path, '.') + 1;
+		if (*ifname_start == '\"') {
+			ifname_start++;
+			ifname_end = strrchr(ifname_start, '\"');
+			if (!ifname_end)
+				return -EINVAL;
+			ifname_len = ifname_end - ifname_start;
+			ifname_end++;
+		} else {
+			ifname_end = strchr(ifname_start, '.');
+			if (!ifname_end)
+				return -EINVAL;
+			ifname_len = ifname_end - ifname_start;
+		}
 
-		if (!ifname_end)
-			return -EINVAL;
 		subpath = ifname_end + 1;
 
 		teamd_for_each_tdport(cur_tdport, ctx) {