diff --git a/build/chat.pro b/build/chat.pro
index 8acbdfb..eff70a8 100644
--- a/build/chat.pro
+++ b/build/chat.pro
@@ -15,3 +15,5 @@ SOURCES += \
 
 LIBS += \
     -L$${DESTDIR} -lipc
+
+unix:LIBS += -lrt -lpthread
diff --git a/build/ipc.pro b/build/ipc.pro
index f9adb70..88889c3 100644
--- a/build/ipc.pro
+++ b/build/ipc.pro
@@ -53,8 +53,6 @@ SOURCES += \
     ../src/platform/shm_linux.cpp \
     ../src/platform/tls_pointer_linux.cpp
 
-LIBS += -lrt
-
 target.path = /usr/lib
 INSTALLS += target
 
diff --git a/build/test.pro b/build/test.pro
index 51b65b6..9703411 100644
--- a/build/test.pro
+++ b/build/test.pro
@@ -34,3 +34,5 @@ SOURCES += \
 
 LIBS += \
     -L$${DESTDIR} -lipc
+
+unix:LIBS += -lrt -lpthread
diff --git a/demo/chat/main.cpp b/demo/chat/main.cpp
index c560aae..8065181 100644
--- a/demo/chat/main.cpp
+++ b/demo/chat/main.cpp
@@ -21,8 +21,11 @@ int main() {
             auto buf = cc.recv();
             if (buf.empty()) continue;
             std::string dat { static_cast<char const *>(buf.data()), buf.size() - 1 };
-            if (dat == quit__) return;
-            std::cout << dat << std::endl;
+            if (dat == quit__) {
+                std::cout << "receiver quit..." << std::endl;
+                return;
+            }
+            std::cout << "> " << dat << std::endl;
         }
     }};