diff --git a/3rdp/build/GNUmakefile b/3rdp/build/GNUmakefile
index 26efb68153b032660963fcede7c6b4ceb0129b3a..b6e294ada20dc8d400145cac5266cf40f340fea7 100644
--- a/3rdp/build/GNUmakefile
+++ b/3rdp/build/GNUmakefile
@@ -35,6 +35,10 @@ ifneq ($(os),darwin)
   endif
  endif
 endif
+# Blacklist some machines...
+ifeq ($(machine),armv7)
+ JS_CONFIGURE_ARGS += '--disable-tracejit'
+endif
 
 JS_CONFIGURE_ENV += 'CXXFLAGS=$(CXXFLAGS)'