diff --git a/cli/cppcheckexecutor.cpp b/cli/cppcheckexecutor.cpp
index b7917d445..0ae907b15 100644
--- a/cli/cppcheckexecutor.cpp
+++ b/cli/cppcheckexecutor.cpp
@@ -51,7 +51,7 @@
 #endif
 #endif
 
-#if !defined(NO_UNIX_BACKTRACE_SUPPORT) && defined(USE_UNIX_SIGNAL_HANDLING) && defined(__GNUC__) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__NetBSD__) && !defined(__SVR4)
+#if !defined(NO_UNIX_BACKTRACE_SUPPORT) && defined(USE_UNIX_SIGNAL_HANDLING) && defined(__GNUC__) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__NetBSD__) && !defined(__SVR4) && !defined(__QNX__)
 #define USE_UNIX_BACKTRACE_SUPPORT
 #include <cxxabi.h>
 #include <execinfo.h>
diff --git a/cli/threadexecutor.cpp b/cli/threadexecutor.cpp
index dfd00a0e2..8481c3a70 100644
--- a/cli/threadexecutor.cpp
+++ b/cli/threadexecutor.cpp
@@ -143,7 +143,7 @@ int ThreadExecutor::handleRead(int rpipe, unsigned int &result)
 
 bool ThreadExecutor::checkLoadAverage(size_t nchildren)
 {
-#ifdef __CYGWIN__  // getloadavg() is unsupported on Cygwin.
+#if defined(__CYGWIN__) || defined(__QNX__)  // getloadavg() is unsupported on Cygwin, Qnx.
     return true;
 #else
     if (!nchildren || !_settings._loadAverage) {