diff --git a/tuned/profiles/functions/functions.py b/tuned/profiles/functions/functions.py
index 68ce234..acf7077 100644
--- a/tuned/profiles/functions/functions.py
+++ b/tuned/profiles/functions/functions.py
@@ -32,8 +32,8 @@ class Functions():
 	def _curr_substr(self, _len):
 		return self._str[self._cnt:self._cnt + _len]
 
-	def _push_pos(self):
-		self._stack.append(self._cnt)
+	def _push_pos(self, esc):
+		self._stack.append((esc, self._cnt))
 
 	def _sub(self, a, b, s):
 		self._str = self._str[:a] + s + self._str[b + 1:]
@@ -63,20 +63,21 @@ class Functions():
 	def _process(self, s):
 		self._parse_init(s)
 		while self._cnt < self._len:
-			if self._esc:
-				self._esc = False
+			if self._curr_char() == "}":
+				try:
+					si = self._stack.pop()
+				except IndexError:
+					log.error("invalid variable syntax, non pair '}' in: '%s'" % s)
+					return self._str
+				# if not escaped
+				if not si[0]:
+					self._process_func(si[1])
+			elif self._curr_substr(2) == "${":
+				self._push_pos(self._esc)
+			if self._curr_char() == "\\":
+				self._esc = True
 			else:
-				if self._curr_char() == "\\":
-					self._esc = True
-				elif self._curr_char() == "}":
-					try:
-						_from = self._stack.pop()
-					except IndexError:
-						log.error("invalid variable syntax, non pair '}' in: '%s'" % s)
-						return self._str
-					self._process_func(_from)
-				elif self._curr_substr(2) == "${":
-					self._push_pos()
+				self._esc = False
 			self._cnt += 1
 		if len(self._stack):
 			log.error("invalid varialbe syntax, non pair '{' in: '%s'" % s)
@@ -86,4 +87,4 @@ class Functions():
 		if s is None or s == "":
 			return s
 		# expand functions and convert all \${f:*} to ${f:*} (unescape)
-		return re.sub(r'\\(\${f:.*\\})', r'\1', self._process(s))
+		return re.sub(r'\\(\${f:.*})', r'\1', self._process(s))