diff --git a/src/hello_imgui/internal/pnm.h b/src/hello_imgui/internal/pnm.h
index ab91a5be..b7d0780f 100644
--- a/src/hello_imgui/internal/pnm.h
+++ b/src/hello_imgui/internal/pnm.h
@@ -27,9 +27,10 @@
 #error "pnm++ is a library for C++."
 #endif
 
-#if __cplusplus < 201103L
-#error "pnm++ requires C++11 or later."
-#endif
+// Disabled because, for some reason, the C++11 check is failing although the main CMakelists.txt file specifies C++17
+//#if __cplusplus < 201103L
+//#error "pnm++ requires C++11 or later."
+//#endif
 
 #include <cctype>
 #include <type_traits>