diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 503b7b8c3d4..05f8e6be2a4 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,7 @@
+2011-03-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	* arith.c (arith_power): Plug memory leak.
+
 2011-03-12  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/48059
diff --git a/gcc/fortran/arith.c b/gcc/fortran/arith.c
index 2a9ea750103..53a9dad42fe 100644
--- a/gcc/fortran/arith.c
+++ b/gcc/fortran/arith.c
@@ -912,7 +912,7 @@ arith_power (gfc_expr *op1, gfc_expr *op2, gfc_expr **resultp)
 	{
 	  gfc_error ("Raising a negative REAL at %L to "
 		     "a REAL power is prohibited", &op1->where);
-	  gfc_free (result);
+	  gfc_free_expr (result);
 	  return ARITH_PROHIBIT;
 	}