diff --git a/content/base/public/nsContentUtils.h b/content/base/public/nsContentUtils.h
index 4163b4e2937b..1fc337a8aa1a 100644
--- a/content/base/public/nsContentUtils.h
+++ b/content/base/public/nsContentUtils.h
@@ -21,7 +21,7 @@
 //A trick to handle IEEE floating point exceptions on FreeBSD - E.D.
 #ifdef __FreeBSD__
 #include <ieeefp.h>
-#ifdef __alpha__
+#if !defined(__i386__) && !defined(__x86_64__)
 static fp_except_t allmask = FP_X_INV|FP_X_OFL|FP_X_UFL|FP_X_DZ|FP_X_IMP;
 #else
 static fp_except_t allmask = FP_X_INV|FP_X_OFL|FP_X_UFL|FP_X_DZ|FP_X_IMP|FP_X_DNML;