diff --git a/cmake/QtBuildInternals/QtBuildInternalsConfig.cmake b/cmake/QtBuildInternals/QtBuildInternalsConfig.cmake
index 95564e0599..9c5a2633d2 100644
--- a/cmake/QtBuildInternals/QtBuildInternalsConfig.cmake
+++ b/cmake/QtBuildInternals/QtBuildInternalsConfig.cmake
@@ -66,7 +66,7 @@ function(qt_build_internals_disable_pkg_config_if_needed)
     # only be found via FooConfig.cmake files which means /usr/local should be in the system prefix
     # path.
     set(pkg_config_enabled ON)
-    if(APPLE OR WIN32)
+    if(APPLE OR WIN32 OR QNX)
         set(pkg_config_enabled OFF)
     endif()
     if(DEFINED FEATURE_pkg_config)