diff --git a/shell/linux/Makefile b/shell/linux/Makefile
index 5c59eefc1..eea87ef76 100644
--- a/shell/linux/Makefile
+++ b/shell/linux/Makefile
@@ -331,8 +331,11 @@ endif
 
 ifdef USE_EVDEV
     CXXFLAGS += -D USE_EVDEV
+ifdef USE_UDEV
+    CXXFLAGS += -D USE_UDEV
     LIBS += -ludev
 endif
+endif
 
 ifdef USE_JOYSTICK
     CXXFLAGS += -D USE_JOYSTICK