diff --git a/GrafAnim/Makefile b/GrafAnim/Makefile
index 1674313..cc07480 100644
--- a/GrafAnim/Makefile
+++ b/GrafAnim/Makefile
@@ -7,8 +7,8 @@ MYLIB = '../Modules/libtth90modules.a'
 
 # ---- programmes
 
-essai:	essai.f90 usegenplot.o Makefile
-	gfortran $(GFOPT) $< usegenplot.o -o $@
+essai:	essai.f90 Makefile
+	gfortran $(GFOPT) $< $(MYLIB) -o $@
 
 doubledice:	doubledice.f90 Makefile	\
 		utils_ga.o usegenplot.o