diff --git a/nsprpub/config/Linux.mk b/nsprpub/config/Linux.mk
index 8a1de57fca9f..36c6122568b7 100644
--- a/nsprpub/config/Linux.mk
+++ b/nsprpub/config/Linux.mk
@@ -50,7 +50,7 @@ endif
 ifeq (86,$(findstring 86,$(OS_TEST)))
 CPU_ARCH		:= x86
 else
-ifeq (,$(filter-out armv41 sa110,$(OS_TEST)))
+ifeq (,$(filter-out armv4l sa110,$(OS_TEST)))
 CPU_ARCH		:= arm
 else
 CPU_ARCH		:= $(OS_TEST)