diff --git a/channels/urbdrc/client/libusb/libusb_udevice.c b/channels/urbdrc/client/libusb/libusb_udevice.c
index 8efe8580b..6be973d97 100644
--- a/channels/urbdrc/client/libusb/libusb_udevice.c
+++ b/channels/urbdrc/client/libusb/libusb_udevice.c
@@ -27,6 +27,7 @@
 #endif
 
 #include <errno.h>
+#include <winpr/crt.h>
 
 #include "libusb_udevice.h"
 
diff --git a/client/Windows/wf_rail.c b/client/Windows/wf_rail.c
index dd9473363..87f3be198 100644
--- a/client/Windows/wf_rail.c
+++ b/client/Windows/wf_rail.c
@@ -20,6 +20,7 @@
 #include "config.h"
 #endif
 
+#include <winpr/crt.h>
 #include <freerdp/log.h>
 #include <winpr/tchar.h>
 #include <winpr/print.h>
diff --git a/libfreerdp/core/freerdp.c b/libfreerdp/core/freerdp.c
index 231b8a1f3..baf56ff27 100644
--- a/libfreerdp/core/freerdp.c
+++ b/libfreerdp/core/freerdp.c
@@ -34,6 +34,7 @@
 
 #include <assert.h>
 
+#include <winpr/crt.h>
 #include <winpr/string.h>
 #include <winpr/stream.h>
 #include <winpr/wtsapi.h>
diff --git a/server/shadow/shadow_rdpsnd.c b/server/shadow/shadow_rdpsnd.c
index 2b16edafa..21b693239 100644
--- a/server/shadow/shadow_rdpsnd.c
+++ b/server/shadow/shadow_rdpsnd.c
@@ -20,6 +20,7 @@
 #include "config.h"
 #endif
 
+#include <winpr/crt.h>
 #include <freerdp/log.h>
 #include <freerdp/codec/dsp.h>
 
diff --git a/winpr/libwinpr/clipboard/posix.c b/winpr/libwinpr/clipboard/posix.c
index 76d8cb572..627af2ec3 100644
--- a/winpr/libwinpr/clipboard/posix.c
+++ b/winpr/libwinpr/clipboard/posix.c
@@ -33,6 +33,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#include <winpr/crt.h>
 #include <winpr/clipboard.h>
 #include <winpr/collections.h>
 #include <winpr/file.h>