diff --git a/hash/c64_flop.xml b/hash/c64_flop.xml
index 3feb643665c..2d1c28991b4 100644
--- a/hash/c64_flop.xml
+++ b/hash/c64_flop.xml
@@ -64,13 +64,15 @@
 	</software>
 
 	<software name="bbsb">
-		<description>Bounty Bob Strikes Back! v1.2</description>
+		<description>Bounty Bob Strikes Back! (v1.2)</description>
 		<year>1985</year>
 		<publisher>Big Five</publisher>
 		<info name="protection" value="halftrack" />
 		<sharedfeat name="compatibility" value="NTSC,PAL"/>
 
 		<part name="flop1" interface="floppy_5_25">
+			<!-- will not load if disk is not write protected -->
+			<feature name="read_only" value="true"/>
 			<dataarea name="flop" size="208212">
 				<rom name="bbsb.g64" size="208212" crc="69456d8c" sha1="26801eda258f748aa6f6c45df8af7f7cbb2857d4" offset="0" />
 			</dataarea>
diff --git a/src/emu/diimage.c b/src/emu/diimage.c
index 35caafe6d42..f31ec9efad3 100644
--- a/src/emu/diimage.c
+++ b/src/emu/diimage.c
@@ -939,6 +939,12 @@ bool device_image_interface::load_internal(const char *path, bool is_create, int
 			if (m_software_info_ptr && m_full_software_name)
 				m_err = set_image_filename(m_full_software_name);
 
+			// check if image should be read-only		
+			const char *read_only = get_feature("read_only");
+			if (read_only && !strcmp(read_only, "true")) {
+				make_readonly();
+			}
+
 			m_from_swlist = TRUE;
 		}