diff --git a/bindings/fluidmax/fluidmax.c b/bindings/fluidmax/fluidmax.c
index 0651f99f..66556dd7 100644
--- a/bindings/fluidmax/fluidmax.c
+++ b/bindings/fluidmax/fluidmax.c
@@ -1065,7 +1065,7 @@ fluidmax_version(t_object *o)
   post("  Max/MSP integration by Norbert Schnell IMTR IRCAM - Centre Pompidou");
 }
 
-extern fluid_gen_info_t fluid_gen_info[];
+extern const fluid_gen_info_t fluid_gen_info[];
 
 static void 
 fluidmax_print(t_object *o, Symbol *s, short ac, Atom *at)
diff --git a/src/synth/fluid_gen.c b/src/synth/fluid_gen.c
index 3d8d4759..0da90eb3 100644
--- a/src/synth/fluid_gen.c
+++ b/src/synth/fluid_gen.c
@@ -24,7 +24,7 @@
 
 
 /* See SFSpec21 $8.1.3 */
-fluid_gen_info_t fluid_gen_info[] = {
+const fluid_gen_info_t fluid_gen_info[] = {
         /* number/name             init  scale         min        max         def */
         { GEN_STARTADDROFS,           1,     1,       0.0f,     1e10f,       0.0f },
         { GEN_ENDADDROFS,             1,     1,     -1e10f,      0.0f,       0.0f },