diff --git a/x86_64-gen.c b/x86_64-gen.c
index d837a1d..593dd91 100644
--- a/x86_64-gen.c
+++ b/x86_64-gen.c
@@ -1186,6 +1186,7 @@ void gfunc_call(int nb_args)
     int size, align, r, args_size, stack_adjust, run_start, run_end, i, reg_count;
     int nb_reg_args = 0;
     int nb_sse_args = 0;
+    int offsets[nb_args*nb_args+1];
     int sse_reg, gen_reg;
 
     /* calculate the number of integer/float register arguments */