diff --git a/reactos/dll/win32/dhcpcsvc/dhcp/dhclient.c b/reactos/dll/win32/dhcpcsvc/dhcp/dhclient.c
index 3b60e1ad95d..6c6e53d5100 100644
--- a/reactos/dll/win32/dhcpcsvc/dhcp/dhclient.c
+++ b/reactos/dll/win32/dhcpcsvc/dhcp/dhclient.c
@@ -190,7 +190,7 @@ ServiceMain(DWORD argc, LPWSTR *argv)
                                                         NULL);
     if (!ServiceStatusHandle)
     {
-        DbgPrint("DHCPCSVC: Unable to register service control handler (%x)\n", GetLastError);
+        DbgPrint("DHCPCSVC: Unable to register service control handler (%lx)\n", GetLastError());
         return;
     }
 
diff --git a/reactos/dll/win32/netid/CMakeLists.txt b/reactos/dll/win32/netid/CMakeLists.txt
index 57bd8f59f2e..3b099277ec1 100644
--- a/reactos/dll/win32/netid/CMakeLists.txt
+++ b/reactos/dll/win32/netid/CMakeLists.txt
@@ -1,4 +1,5 @@
 
+set_unicode()
 spec2def(netid.dll netid.spec)
 set_rc_compiler()
 
diff --git a/reactos/drivers/sac/driver/init.c b/reactos/drivers/sac/driver/init.c
index 2be1425f38e..0542d1091da 100644
--- a/reactos/drivers/sac/driver/init.c
+++ b/reactos/drivers/sac/driver/init.c
@@ -15,6 +15,7 @@
 /* FUNCTIONS ******************************************************************/
 
 NTSTATUS
+NTAPI
 DriverEntry(
 	IN PDRIVER_OBJECT DriverObject,
 	IN PUNICODE_STRING RegistryPath
diff --git a/reactos/lib/sdk/crt/printf/streamout.c b/reactos/lib/sdk/crt/printf/streamout.c
index 798e298e4ba..0f26f32ee6b 100644
--- a/reactos/lib/sdk/crt/printf/streamout.c
+++ b/reactos/lib/sdk/crt/printf/streamout.c
@@ -540,7 +540,7 @@ streamout(FILE *stream, const TCHAR *format, va_list argptr)
 
                 if ((__int64)val64 < 0)
                 {
-                    val64 = -val64;
+                    val64 = -(__int64)val64;
                     prefix = _T("-");
                 }
                 else if (flags & FLAG_FORCE_SIGN)