diff --git a/config/printer.mendel.h b/config/printer.mendel.h
index 1f54f11..e83b496 100644
--- a/config/printer.mendel.h
+++ b/config/printer.mendel.h
@@ -194,6 +194,14 @@
 */
 #define TEMP_EWMA                1.0
 
+/** \def REPORT_TARGET_TEMPS
+  With this enabled, M105 commands will return the current temperatures along
+  with the target temps, separated by a slash: ok T:xxx.x/xxx.x B:xxx.x/xxx.x
+  With this disabled, only temps will be returned: ok T:xxx.x B:xxx.x
+  Enabling adds 78 bytes to the image.
+*/
+#define REPORT_TARGET_TEMPS
+
 /** \def HEATER_SANITY_CHECK
   Check if heater responds to changes in target temperature, disable and spit
   errors if not largely untested, please comment in forum if this works, or
diff --git a/config/printer.wolfstrap.h b/config/printer.wolfstrap.h
index 2f4152e..0a56c96 100644
--- a/config/printer.wolfstrap.h
+++ b/config/printer.wolfstrap.h
@@ -194,6 +194,14 @@
 */
 #define TEMP_EWMA                1.0
 
+/** \def REPORT_TARGET_TEMPS
+  With this enabled, M105 commands will return the current temperatures along
+  with the target temps, separated by a slash: ok T:xxx.x/xxx.x B:xxx.x/xxx.x
+  With this disabled, only temps will be returned: ok T:xxx.x B:xxx.x
+  Enabling adds 78 bytes to the image.
+*/
+#define REPORT_TARGET_TEMPS
+
 /** \def HEATER_SANITY_CHECK
   Check if heater responds to changes in target temperature, disable and spit
   errors if not largely untested, please comment in forum if this works, or
diff --git a/temp.c b/temp.c
index dd4253c..1f6d147 100644
--- a/temp.c
+++ b/temp.c
@@ -370,6 +370,11 @@ uint16_t temp_get(temp_sensor_t index) {
 static void single_temp_print(temp_sensor_t index) {
 	uint8_t c = (temp_sensors_runtime[index].last_read_temp & 3) * 25;
 	sersendf_P(PSTR("%u.%u"), temp_sensors_runtime[index].last_read_temp >> 2, c);
+  #ifdef REPORT_TARGET_TEMPS
+    sersendf_P(PSTR("/"));
+    c = (temp_sensors_runtime[index].target_temp & 3) * 25;
+    sersendf_P(PSTR("%u.%u"), temp_sensors_runtime[index].target_temp >> 2, c);
+  #endif
 }
 
 /// send temperatures to host