diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 58bf96951a981862256d97838ee1d40597694e31..a2503f6b0742789228ba893711c3ebb67e085900 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -536,8 +536,8 @@
   style=section,%
   level=1,%
   indent=\z@,%
-  beforeskip=-3.5ex \@plus -1ex \@minus -.2ex,%
-  afterskip=0.1ex \@plus.2ex,%
+  beforeskip=-3ex \@plus -1ex \@minus -.2ex,%
+  afterskip=0.4ex \@plus.2ex,%
   tocindent=0pt,%
   tocnumwidth=1.5em%
 ]{section}