diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index e86481165..72ec96da4 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2011-03-18  Corinna Vinschen  <corinna@vinschen.de>
+
+	* cygwin.sc: Raise default cygheap size to 2 Megs.
+
 2011-03-18  Christopher Faylor  <me.cygwin2011@cgf.cx>
 
 	* fhandler.h (DEFAULT_PIPEBUFSIZE): Reset to 64K.
diff --git a/winsup/cygwin/cygwin.sc b/winsup/cygwin/cygwin.sc
index ba4152909..966ea9733 100644
--- a/winsup/cygwin/cygwin.sc
+++ b/winsup/cygwin/cygwin.sc
@@ -103,7 +103,7 @@ SECTIONS
   }
   .cygheap ALIGN(__section_alignment__) :
   {
-    . = . + (1024 * 1024);
+    . = . + (2048 * 1024);
     . = ALIGN(0x10000);
     __cygheap_end = ABSOLUTE(.);
   }