diff --git a/ChangeLog b/ChangeLog
index 4ffce3a6..1d7fa42d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,9 @@ What's New for OpenJPEG
 ! : changed
 + : added
 
+August 21, 2008
+* [antonin] fixed a bug in image_to_j2k.c that was preventing the 'r' option to work properly (everything was compressed lossless regardless of the specified rate).
+
 August 8, 2008
 ! [FOD] Modified the way raw images with more that 8bpp are read and written
 
diff --git a/codec/image_to_j2k.c b/codec/image_to_j2k.c
index 7e9436e1..89cbc3cc 100644
--- a/codec/image_to_j2k.c
+++ b/codec/image_to_j2k.c
@@ -670,6 +670,7 @@ int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters,
 			case 'r':			/* rates rates/distorsion */
 			{
 				char *s = optarg;
+				parameters->tcp_numlayers = 0;
 				while (sscanf(s, "%f", &parameters->tcp_rates[parameters->tcp_numlayers]) == 1) {
 					parameters->tcp_numlayers++;
 					while (*s && *s != ',') {