diff --git a/src/lib/formats/trs80_dsk.cpp b/src/lib/formats/trs80_dsk.cpp
index d002ff2310b..d3f92fedf41 100644
--- a/src/lib/formats/trs80_dsk.cpp
+++ b/src/lib/formats/trs80_dsk.cpp
@@ -179,7 +179,7 @@ bool jv3_format::load(io_generic *io, uint32_t form_factor, const std::vector<ui
 				// Make sure we don't have too many sectors
 				if (max_sect >= MAX_SECTORS)
 				{
-					printf("Sector number %d exceeds maximum allowed (%d).\n",max_sect,MAX_SECTORS);
+					osd_printf_error("Sector number %d exceeds maximum allowed (%d).\n",max_sect,MAX_SECTORS);
 					return false;
 				}
 
@@ -240,7 +240,7 @@ bool jv3_format::load(io_generic *io, uint32_t form_factor, const std::vector<ui
 				// Protect against oversized disk
 				if ((curr_track >= drive_tracks) || (curr_side >= drive_sides))
 				{
-					printf("Disk exceeds drive capabilities\n");
+					osd_printf_error("Disk exceeds drive capabilities\n");
 					return false;
 				}