Fix prometheus nan parsing

commit_hash:ea34eba995ae4c386785fe89df58c439a2e3ea63

1 files changed, 1 insertions, 1 deletions

diff --git a/library/cpp/monlib/encode/prometheus/prometheus_decoder.cpp b/library/cpp/monlib/encode/prometheus/prometheus_decoder.cpp
index 16a08f47819..5ccc854cab2 100644
--- a/library/cpp/monlib/encode/prometheus/prometheus_decoder.cpp
+++ b/library/cpp/monlib/encode/prometheus/prometheus_decoder.cpp
@@ -576,7 +576,7 @@ namespace NMonitoring {
                     return std::numeric_limits<double>::infinity();
                 } else if (str == TStringBuf("-Inf")) {
                     return -std::numeric_limits<double>::infinity();
-                } else if (str == TStringBuf("NaN")) {
+                } else if (str == TStringBuf("NaN") || str == TStringBuf("Nan")) {
                     return NAN;
                 }