diff --git a/CHANGES b/CHANGES
index e8eb6a85..6ced3180 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,9 +6,8 @@ What's New for OpenJPEG
 + : added
 
 September 19, 2011
++ [mickael] WIP: manage the case of event_mgr is not provided to setup_decoder function 
 + [mickael] WIP: insert elements from V2 framework into the trunk (add missing files). 
-
-September 19, 2011
 + [mickael] Work In Progress: insert elements from V2 framework into the trunk. 
 
 September 9, 2011
diff --git a/libopenjpeg/openjpeg.c b/libopenjpeg/openjpeg.c
index 9c5db9e1..da3fe0d2 100644
--- a/libopenjpeg/openjpeg.c
+++ b/libopenjpeg/openjpeg.c
@@ -386,7 +386,16 @@ opj_bool OPJ_CALLCONV opj_setup_decoder_v2(opj_codec_t *p_info, opj_dparameters_
 		}
 
 		l_info->m_codec_data.m_decompression.opj_setup_decoder(l_info->m_codec,parameters);
-		l_info->m_event_mgr = event_mgr;
+
+		if (event_mgr == NULL)
+		{
+			l_info->m_event_mgr->error_handler = opj_default_callback ;
+			l_info->m_event_mgr->warning_handler = opj_default_callback ;
+			l_info->m_event_mgr->info_handler = opj_default_callback ;
+			l_info->m_event_mgr->client_data = stderr;
+		}
+		else
+			l_info->m_event_mgr = event_mgr;
 		return OPJ_TRUE;
 	}
 	return OPJ_FALSE;