diff --git a/ChangeLog b/ChangeLog
index 6c6a63a9a4..0073b52b9c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2003-08-28  Sven Neumann  <sven@gimp.org>
+
+	* app/core/gimpcontext.c (gimp_context_real_set_foreground)
+	(gimp_context_real_set_background): keep the context colors always
+	opaque. Fixes bug #120912.
+
 2003-08-28  Sven Neumann  <sven@gimp.org>
 
 	* tools/pdbgen/pdb/image.pdb: removed a historical enum constraint
diff --git a/app/core/gimpcontext.c b/app/core/gimpcontext.c
index de9aae70b9..9853d3b19e 100644
--- a/app/core/gimpcontext.c
+++ b/app/core/gimpcontext.c
@@ -1957,6 +1957,7 @@ gimp_context_real_set_foreground (GimpContext   *context,
     return;
 
   context->foreground = *color;
+  gimp_rgb_set_alpha (&context->foreground, GIMP_OPACITY_OPAQUE);
 
   g_object_notify (G_OBJECT (context), "foreground");
   gimp_context_foreground_changed (context);
@@ -2006,6 +2007,7 @@ gimp_context_real_set_background (GimpContext   *context,
     return;
 
   context->background = *color;
+  gimp_rgb_set_alpha (&context->background, GIMP_OPACITY_OPAQUE);
 
   g_object_notify (G_OBJECT (context), "background");
   gimp_context_background_changed (context);