diff --git a/src/GenericParser.h b/src/GenericParser.h
index 09e42146..86c6ca92 100644
--- a/src/GenericParser.h
+++ b/src/GenericParser.h
@@ -91,7 +91,7 @@ typename Parser::ResultType parseFile(Parser& parser,
   // TODO Overrode a2open(const char*,..) and a2open(const std::wstring&,..)
   while ((fd = a2open(utf8ToWChar(filename).c_str(), O_BINARY | O_RDONLY,
                       OPEN_MODE)) == -1 &&
-         errno != EINTR)
+         errno == EINTR)
     ;
   if (fd == -1) {
     return Parser::ParserStateMachineType::noResult();
diff --git a/src/XmlParser.cc b/src/XmlParser.cc
index dde216c6..15b273d7 100644
--- a/src/XmlParser.cc
+++ b/src/XmlParser.cc
@@ -52,7 +52,7 @@ bool parseFile(const std::string& filename, ParserStateMachine* psm)
   else {
     while ((fd = a2open(utf8ToWChar(filename).c_str(), O_BINARY | O_RDONLY,
                         OPEN_MODE)) == -1 &&
-           errno != EINTR)
+           errno == EINTR)
       ;
     if (fd == -1) {
       return false;