diff --git a/tools/fimgops.c b/tools/fimgops.c
index 9775890..c990c90 100644
--- a/tools/fimgops.c
+++ b/tools/fimgops.c
@@ -85,7 +85,7 @@ switch (action)	{
 	case OP_SUB:
 		foo = fimg_sub_3(A, B, D);		break;
 	case OP_MIX:
-		if (verbosity) fprintf(stderr, "%s:mix: fvalue is %f\n",
+		if (verbosity) fprintf(stderr, "%s: mix: fvalue is %f\n",
 						__func__, global_fvalue);
 		foo = fimg_interpolate(A, B, D, global_fvalue);
 		break;