diff --git a/parrot/src/tracer.c b/parrot/src/tracer.c
index 140057d..0c15278 100644
--- a/parrot/src/tracer.c
+++ b/parrot/src/tracer.c
@@ -300,7 +300,7 @@ int tracer_copy_out( struct tracer *t, const void *data, const void *uaddr, int
 
 	if(has_fast_write) {
 		result = full_pwrite64(t->memory_file,data,length,iuaddr);
-		if( result!=length && errno==EINVAL ) {
+		if( result!=length ) {
 			has_fast_write = 0;
 			debug(D_SYSCALL,"writing to /proc/X/mem failed, falling back to slow ptrace write");
 		} else {
