diff --git a/cours/cours_prof.cls b/cours/cours_prof.cls
index 7eb6116..cc1f9dc 100644
--- a/cours/cours_prof.cls
+++ b/cours/cours_prof.cls
@@ -126,7 +126,7 @@
     linecolor=black,linewidth=1pt,%
     leftmargin=0,rightmargin=0,%
     innertopmargin=1em,innerbottommargin=1em,%
-    innerleftmargin=5pt,innerrightmargin=5pt,%
+    innerleftmargin=1em,innerrightmargin=5pt,%
     skipabove=0,skipbelow=0,%
     frametitlerule=false,%
     frametitlebackgroundcolor=white!0,%innertopmargin=\topskip,%