diff --git a/utils/MTP/Makefile b/utils/MTP/Makefile
index dcae7d9ede..a395e652c1 100644
--- a/utils/MTP/Makefile
+++ b/utils/MTP/Makefile
@@ -11,7 +11,7 @@ $(OUTPUT): sendfirm.c
 	gcc $(EXTRA_CFLAGS) $(CFLAGS) -o $(OUTPUT) sendfirm.c $(LIBS)
 
 $(OUTPUT).exe: sendfirm_win.c
-	mingw32-gcc $(CFLAGS) -o $(OUTPUT).exe sendfirm_win.c MTP_DLL.dll
+	i686-w64-mingw32-gcc $(CFLAGS) -o $(OUTPUT).exe sendfirm_win.c MTP_DLL.dll
 
 clean:
-	rm -f $(OUTPUT)
+	rm -f $(OUTPUT) $(OUTPUT).exe
diff --git a/utils/MTP/sendfirm.c b/utils/MTP/sendfirm.c
index 5fe970797e..f06f183e02 100644
--- a/utils/MTP/sendfirm.c
+++ b/utils/MTP/sendfirm.c
@@ -26,6 +26,7 @@
 #define _LARGEFILE_SOURCE
 #define _LARGEFILE64_SOURCE
 
+#include <stdlib.h>
 #include <string.h>
 #include <libgen.h>
 #include <sys/stat.h>