diff --git a/src/nzg_free.c b/src/nzg_free.c
index 7ef5e35..e58eb2b 100644
--- a/src/nzg_free.c
+++ b/src/nzg_free.c
@@ -48,7 +48,7 @@ sem_t * poolDataTabSemFd;
   // TODO: verouiller semaphore DataInfo
   int err;
 
-  printf("FREE-SEMWAIT\n");
+  poolIndex=-1; bufferIndex=-1;
   err=msgBufferGetProcAttach(
 	  poolDataTabAddr,
 	  space->poolNb,
@@ -57,7 +57,10 @@ sem_t * poolDataTabSemFd;
 	  addr
 	  );
 
-  msgBufferDetachProc(poolDataTabAddr,poolIndex,bufferIndex,addr);
+  printf("Found : %d\n",err);
+  printf("Freing pool: %d, buffer: %d\n",poolIndex,bufferIndex);
+  //msgBufferDetachProc(poolDataTabAddr,poolIndex,bufferIndex,addr);
+  printf("FREE-SEMWAIT\n");
 
   /* unmapper le msgPoolDataTab */
   munmap(poolDataTabAddr,(space->poolNb) * sizeof( msgPoolData ));