1 files changed, 6 insertions, 1 deletions

diff --git a/st.c b/st.c
index 586d124..b143582 100644
--- a/st.c
+++ b/st.c
@@ -221,6 +221,7 @@ typedef struct {
         struct {int x, y;} b, e;
         char *clip;
         Atom xtarget;
+        bool alt;
         struct timeval tclick1;
         struct timeval tclick2;
 } Selection;
@@ -579,6 +580,7 @@ selcopy(void) {
                 }
                 *ptr = 0;
         }
+        sel.alt = IS_SET(MODE_ALTSCREEN);
         xsetsel(str);
 }
 
@@ -2076,7 +2078,10 @@ drawregion(int x1, int y1, int x2, int y2) {
         int ic, ib, x, y, ox, sl;
         Glyph base, new;
         char buf[DRAW_BUF_SIZ];
+        bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN);
 
+        if((sel.alt && !alt) || (!sel.alt && alt))
+                ena_sel = 0;
         if(!(xw.state & WIN_VISIBLE))
                 return;
 
@@ -2089,7 +2094,7 @@ drawregion(int x1, int y1, int x2, int y2) {
                 ic = ib = ox = 0;
                 for(x = x1; x < x2; x++) {
                         new = term.line[y][x];
-                        if(sel.bx != -1 && *(new.c) && selected(x, y))
+                        if(ena_sel && *(new.c) && selected(x, y))
                                 new.mode ^= ATTR_REVERSE;
                         if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
                                                   ib >= DRAW_BUF_SIZ-UTF_SIZ)) {