diff --git a/xs/src/xsinit.h b/xs/src/xsinit.h
index 2082dfb88..cbb55077b 100644
--- a/xs/src/xsinit.h
+++ b/xs/src/xsinit.h
@@ -75,6 +75,7 @@
     #undef times
     #undef accept
     #undef wait
+    #undef abort
 
 	// Breaks compilation with Eigen matrices embedded into Slic3r::Point.
 	#undef malloc