diff --git a/linux/Makefile b/linux/Makefile
index ddc731fc..47570b8f 100644
--- a/linux/Makefile
+++ b/linux/Makefile
@@ -41,6 +41,8 @@ objects_linux_dummy := JackDummyDriver.o
 CFLAGS :=  -g -O3  -fPIC  -DUSE_POSIX_SHM $(addprefix -I, $(subprojects)) $(CFLAGS)
 CXXFLAGS :=  -g -O3  -fPIC -DSOCKET_RPC_FIFO_SEMA -D__SMP__  $(addprefix -I, $(subprojects)) $(CXXFLAGS) 
 
+#CFLAGS :=  -g   -fPIC  -DUSE_POSIX_SHM $(addprefix -I, $(subprojects)) $(CFLAGS)
+#CXXFLAGS :=  -g   -fPIC -DSOCKET_RPC_FIFO_SEMA -D__SMP__  $(addprefix -I, $(subprojects)) $(CXXFLAGS) 
 
 # Use this line to compile with POSIX names semaphore
 #CXXFLAGS := -g -03 -fPIC -DSOCKET_RPC_POSIX_SEMA -D__SMP__ $(addprefix -I, $(subprojects)) $(CXXFLAGS)
@@ -49,7 +51,7 @@ CXXFLAGS :=  -g -O3  -fPIC -DSOCKET_RPC_FIFO_SEMA -D__SMP__  $(addprefix -I, $(s
 
 
 linux : $(TARGET_LINUX_SERVER_LIB) $(TARGET_LINUX_CLIENT_LIB) $(TARGET_LINUX_SERVER) $(TARGET_LINUX_ALSA) $(TARGET_LINUX_DUMMY) \
-	synchroClient synchroServer synchroServerClient testSem
+	synchroClient synchroServer synchroServerClient testSem jack_test
 
 all : $(TARGET_LINUX_SERVER) $(TARGET_LINUX_SERVER_LIB) $(TARGET_LINUX_ALSA) $(TARGET_LINUX_DUMMY)
 
@@ -64,6 +66,9 @@ synchroServerClient: JackPosixSemaphore.o testSynchroServerClient.o JackPosixThr
 		
 testSem: JackPosixSemaphore.o testSem.o JackPosixThread.o JackError.o JackFifo.o 
 		$(CXX) $(CXXFLAGS) JackPosixSemaphore.o testSem.o JackPosixThread.o JackError.o JackFifo.o $(LIB_LINUX) -o testSem
+
+jack_test: jack_test.o
+		$(CXX) $(CXXFLAGS) jack_test.o -ljackmp -o jack_test
 		
 
 $(TARGET_LINUX_SERVER_LIB) : $(objects_common_server_lib)
diff --git a/tests/jack_test.cpp b/tests/jack_test.cpp
index 7ebd0e05..5f73ef98 100644
--- a/tests/jack_test.cpp
+++ b/tests/jack_test.cpp
@@ -763,7 +763,7 @@ if (jack_is_realtime(client1) == 1) {}
     old_buffer_size = jack_get_buffer_size(client1);
     Log("Testing BufferSize change & Callback...\n--> Current buffer size : %i.\n", old_buffer_size);
     linebuf = linecount;
-    if (jack_set_buffer_size(client1, old_buffer_size * factor) < 0) {
+    if (jack_set_buffer_size(client1, (jack_nframes_t)(old_buffer_size * factor)) < 0) {
         printf("!!! ERROR !!! jack_set_buffer_size fails !\n");
     }
     jack_sleep(1 * 1000);