diff --git a/Osmand-kernel/Makefile.vars b/Osmand-kernel/Makefile.vars
index 9e7ab52f02..216fd5d1c0 100755
--- a/Osmand-kernel/Makefile.vars
+++ b/Osmand-kernel/Makefile.vars
@@ -133,6 +133,9 @@ ifeq ($(ARCH),)
 		ARCH := i386
 	else
 		ARCH := $(shell uname -i)
+		ifeq ($(ARCH),unknown)
+			ARCH := $(shell uname -m)
+		endif
 	endif
 endif