--- src/caca.c
+++ src/caca.c
@@ -37,6 +37,7 @@
 #   else
 #       include <slang.h>
 #   endif
+#   undef acs_map
 #endif
 #if defined(USE_NCURSES)
 #   if defined(HAVE_NCURSES_H)
--- src/event.c
+++ src/event.c
@@ -35,6 +35,7 @@
 #   else
 #       include <slang.h>
 #   endif
+#   undef acs_map
 #endif
 #if defined(USE_NCURSES)
 #   if defined(HAVE_NCURSES_H)
--- src/graphics.c
+++ src/graphics.c
@@ -35,6 +35,7 @@
 #   else
 #       include <slang.h>
 #   endif
+#   undef acs_map
 #endif
 #if defined(USE_NCURSES)
 #   if defined(HAVE_NCURSES_H)