diff --git a/ChangeLog b/ChangeLog
index d25383e853..b349504580 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2001-08-11  Seth Burgess      <sjburges@gimp.org>
+	
+	* plug-ins/common/colortoalpha.c: set nparams != 4 for 
+	non-interactive execution.  Thanks to alex@foogod.com for
+	this fix.
+
 2001-08-11  Michael Natterer  <mitch@gimp.org>
 
 	* app/core/Makefile.am
@@ -25,7 +31,7 @@
 	* app/widgets/gimpdnd.[ch]: make it DND-able.
 
 	* app/widgets/gimppreview.c: fix  preview rendering correctly this
-	itme.
+	time.
 
 2001-08-10  Sven Neumann  <sven@gimp.org>
 
diff --git a/plug-ins/common/colortoalpha.c b/plug-ins/common/colortoalpha.c
index 3c9bbbc8e5..a3107ecb60 100644
--- a/plug-ins/common/colortoalpha.c
+++ b/plug-ins/common/colortoalpha.c
@@ -167,7 +167,7 @@ run (gchar      *name,
       break;
  
     case GIMP_RUN_NONINTERACTIVE:
-      if (nparams != 3)
+      if (nparams != 4)
 	status = GIMP_PDB_CALLING_ERROR;
 
       if (status == GIMP_PDB_SUCCESS)