diff --git a/shell/linux/Makefile b/shell/linux/Makefile
index 96c2e58..a975698 100644
--- a/shell/linux/Makefile
+++ b/shell/linux/Makefile
@@ -185,9 +185,13 @@ else ifneq (,$(findstring lincpp,$(platform)))
 else ifneq (,$(findstring rpi4,$(platform)))
 
     CFLAGS += -D TARGET_BEAGLE -D TARGET_LINUX_ARMELv7 -DARM_HARDFP -fsingle-precision-constant
-    CFLAGS += -DGLES3
+    ifneq (,$(findstring sdl,$(platform)))
+        USE_SDL := 1
+    else
+        CFLAGS += -DGLES3
+        USE_X11 := 1
+    endif
 
-    USE_X11 := 1
     USE_GLES := 1
 
     MFLAGS += -march=armv8-a+crc -mtune=cortex-a72 -mfpu=neon-fp-armv8 -mfloat-abi=hard