diff --git a/catch.hpp b/catch.hpp
index 36eaeb2..6cb9d8f 100644
--- a/catch.hpp
+++ b/catch.hpp
@@ -1,3 +1,8 @@
+#if defined(_WIN32)
+// see also: https://stackoverflow.com/questions/2561368/illegal-token-on-right-side-of
+#define NOMINMAX
+#endif
+
 /*
  *  Catch v2.13.6
  *  Generated: 2021-04-16 18:23:38.044268
diff --git a/src/Client.cpp b/src/Client.cpp
index 001fd3f..4a3f28f 100644
--- a/src/Client.cpp
+++ b/src/Client.cpp
@@ -1,3 +1,8 @@
+#if defined(_WIN32)
+// see also: https://stackoverflow.com/questions/2561368/illegal-token-on-right-side-of
+#define NOMINMAX
+#endif
+
 #include <pplx/pplxtasks.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/src/SyncClient.cpp b/src/SyncClient.cpp
index a09aeb3..d8f193f 100644
--- a/src/SyncClient.cpp
+++ b/src/SyncClient.cpp
@@ -1,3 +1,8 @@
+#if defined(_WIN32)
+// see also: https://stackoverflow.com/questions/2561368/illegal-token-on-right-side-of
+#define NOMINMAX
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/types.h>