diff --git a/CMakeLists.txt b/CMakeLists.txt
index e6095da5..38d70d10 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,7 +43,7 @@ if( NOT WIN32 )
     set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Weffc++ -pedantic -Wno-unknown-pragmas -Wno-deprecated-declarations -Wno-non-virtual-dtor" )
 endif ( )
 
-if ( UNIX AND NOT APPLE )
+if ( UNIX AND NOT APPLE AND NOT QNX)
     set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread" )
 endif ( )
 
diff --git a/source/corvusoft/restbed/detail/socket_impl.cpp b/source/corvusoft/restbed/detail/socket_impl.cpp
index d0d6c0fb..08ff0785 100644
--- a/source/corvusoft/restbed/detail/socket_impl.cpp
+++ b/source/corvusoft/restbed/detail/socket_impl.cpp
@@ -301,7 +301,7 @@ namespace restbed
             setsockopt(socket.native_handle(), SOL_SOCKET, SO_KEEPALIVE, &val, sizeof(uint32_t));
 #ifdef __APPLE__
             setsockopt(socket.native_handle(), IPPROTO_TCP, TCP_KEEPALIVE, &start, sizeof(uint32_t));
-#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) 
+#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__QNX__)
             setsockopt(socket.native_handle(), IPPROTO_TCP, SO_KEEPALIVE, &start, sizeof(uint32_t));
 #else
             // Linux based systems