diff --git a/lib/fimg-core.c b/lib/fimg-core.c
index 5ceaae2..16d2b68 100644
--- a/lib/fimg-core.c
+++ b/lib/fimg-core.c
@@ -167,6 +167,10 @@ if (NULL == fimg->R) {
 
 
 free(fimg->R);
+if (FIMG_TYPE_RGB==fimg->type) {
+	free(fimg->G);
+	free(fimg->B);
+	}
 memset(fimg, 0, sizeof(FloatImg));
 
 return 0;