1 files changed, 6 insertions, 2 deletions
diff --git a/st/x.c b/st/x.c
index 3c1c242..6856e48 100644
--- a/st/x.c
+++ b/st/x.c
@@ -323,7 +323,9 @@ void
 changealpha(const Arg *arg)
 {
     if((alpha > 0 && arg->f < 0) || (alpha < 1 && arg->f > 0))
-        alpha += arg->f;
+       alpha += arg->f;
+    else if (arg->f == 0.0f)
+       alpha = alpha_def;
     alpha = clamp(alpha, 0.0, 1.0);
     alphaUnfocus = clamp(alpha-alphaOffset, 0.0, 1.0);
 
@@ -1331,10 +1333,12 @@ xinit(int cols, int rows)
         xloadfonts(usedfont, 0);
     }
 
-
 	/* spare fonts */
 	xloadsparefonts();
 
+    /* Backup default alpha value */
+    alpha_def = alpha;
+
 	/* colors */
 	xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
 	xloadcols();