diff --git a/mozilla/js/src/xpconnect/src/Makefile.in b/mozilla/js/src/xpconnect/src/Makefile.in
index 22069309a97..7a3d9c892d8 100644
--- a/mozilla/js/src/xpconnect/src/Makefile.in
+++ b/mozilla/js/src/xpconnect/src/Makefile.in
@@ -97,6 +97,13 @@ IS_COMPONENT    = 1
 endif
 endif
 
+# Linux/alpha
+ifeq ($(OS_ARCH),Linux)
+ifeq ($(OS_TEST),alpha)
+IS_COMPONENT    = 1
+endif
+endif
+
 # NetBSD/m68k
 ifeq ($(OS_ARCH),NetBSD)
 ifneq (,$(filter amiga atari hp300 mac68k mvme68k next68k sun3 sun3x x68k,$(OS_TEST)))