diff --git a/src/Lexer.cpp b/src/Lexer.cpp
index 360cff073..df9522d7c 100644
--- a/src/Lexer.cpp
+++ b/src/Lexer.cpp
@@ -910,7 +910,7 @@ bool Lexer::isPath (std::string& token, Lexer::Type& type)
   std::size_t marker = _cursor;
   int slashCount = 0;
 
-  while (1)
+  while (true)
   {
     if (_text[marker] == '/')
     {
diff --git a/src/recur2.cpp b/src/recur2.cpp
index f5a4bdbac..55c06ac54 100644
--- a/src/recur2.cpp
+++ b/src/recur2.cpp
@@ -291,7 +291,7 @@ static std::vector <Datetime> generateAllDueDates (const Task& templateTask)
   int recurrence_counter = 0;
   Datetime now;
 
-  while (1)
+  while (true)
   {
     Datetime nextDue = generateNextDueDate (due, recur, lastN);