diff --git a/src/Makefile.linux b/src/Makefile.linux
index b278c8c0d..762437af5 100644
--- a/src/Makefile.linux
+++ b/src/Makefile.linux
@@ -29,6 +29,9 @@ NON_AUTO_MEDIA = linux
 # Compiler flags for building host API wrapper
 #
 LINUX_CFLAGS	+= -Os -idirafter include -DSYMBOL_PREFIX=$(SYMBOL_PREFIX)
+ifneq ($(SYSROOT),)
+LINUX_CFLAGS	+= --sysroot=$(SYSROOT)
+endif
 
 # Check for libslirp
 #