diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index eabc63e85..3ee299e61 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -62,6 +62,6 @@
 //===================
 #define ENABLE_2_3_0_ALPHA3 1
 
-#define ENABLE_CTRL_M_ON_WINDOWS (1 && ENABLE_2_3_0_ALPHA3)
+#define ENABLE_CTRL_M_ON_WINDOWS (0 && ENABLE_2_3_0_ALPHA3)
 
 #endif // _prusaslicer_technologies_h_