diff --git a/config.mk.in b/config.mk.in
index ab2dca1..6324ad7 100644
--- a/config.mk.in
+++ b/config.mk.in
@@ -16,7 +16,7 @@ exec_prefix     = @exec_prefix@
 
 GHC		= @GHC@
 # GHCFLAGS	:= -Wall -O -recomp
-GHCFLAGS        = -O
+GHCFLAGS        = -O -dynamic
 
 HUGS            = @HUGS@