diff --git a/Grbl_Esp32/gcode.cpp b/Grbl_Esp32/gcode.cpp
index 17dabb29..fbcde282 100644
--- a/Grbl_Esp32/gcode.cpp
+++ b/Grbl_Esp32/gcode.cpp
@@ -108,7 +108,7 @@ uint8_t gc_execute_line(char *line, uint8_t client)
 	   perform initial error-checks for command word modal group violations, for any repeated
 	   words, and for negative values set for the value words F, N, P, T, and S. */
 
-	uint8_t word_bit; // Bit-value for assigning tracking variables
+	uint8_t word_bit = 0; // Bit-value for assigning tracking variables
 	uint8_t char_counter;
 	char letter;
 	float value;
@@ -1402,4 +1402,4 @@ uint8_t gc_execute_line(char *line, uint8_t client)
    group 9 = {M48, M49} enable/disable feed and speed override switches
    group 10 = {G98, G99} return mode canned cycles
    group 13 = {G61.1, G64} path control mode (G61 is supported)
-*/
\ No newline at end of file
+*/