diff --git a/src/lib/openjp2/t1_generate_luts.c b/src/lib/openjp2/t1_generate_luts.c
index d1843248..b2944d8c 100644
--- a/src/lib/openjp2/t1_generate_luts.c
+++ b/src/lib/openjp2/t1_generate_luts.c
@@ -181,7 +181,8 @@ static void dump_array16(int array[],int size){
 	printf("0x%04x\n};\n\n", array[size]);
 }
 
-int main(){
+int main(int argc, char **argv)
+{
 	int i, j;
 	double u, v, t;
 
@@ -190,6 +191,7 @@ int main(){
 	int lut_nmsedec_sig0[1 << T1_NMSEDEC_BITS];
 	int lut_nmsedec_ref[1 << T1_NMSEDEC_BITS];
 	int lut_nmsedec_ref0[1 << T1_NMSEDEC_BITS];
+  (void)argc; (void)argv;
 
 	printf("/* This file was automatically generated by t1_generate_luts.c */\n\n");