diff --git a/stm-firmware/ui/gui.c b/stm-firmware/ui/gui.c
index 9594941..670d363 100644
--- a/stm-firmware/ui/gui.c
+++ b/stm-firmware/ui/gui.c
@@ -18,6 +18,7 @@
 * If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "reflow-controller/version.h"
 #include <reflow-controller/ui/gui.h>
 #include <reflow-controller/ui/gui-config.h>
 #include <reflow-controller/ui/menu.h>
@@ -167,9 +168,9 @@ static void gui_menu_about(struct lcd_menu *menu, enum menu_entry_func_entry ent
 			break;
 		last_page = 1;
 		menu_lcd_output(menu, 0, "Version Number:");
-		menu_lcd_outputf(menu, 1, "%.*s", LCD_CHAR_WIDTH, xstr(GIT_VER));
-		if (strlen(xstr(GIT_VER)) > LCD_CHAR_WIDTH) {
-			menu_lcd_outputf(menu, 2, "%s", &xstr(GIT_VER)[LCD_CHAR_WIDTH]);
+		menu_lcd_outputf(menu, 1, "%.*s", LCD_CHAR_WIDTH, version_git_version_string);
+		if (strlen(version_git_version_string) > LCD_CHAR_WIDTH) {
+			menu_lcd_outputf(menu, 2, "%s", &version_git_version_string[LCD_CHAR_WIDTH]);
 		}
 #ifdef DEBUGBUILD
 		menu_lcd_output(menu, 3, "Page 2/5 [DEBUG]");
diff --git a/stm-firmware/ui/shell.c b/stm-firmware/ui/shell.c
index b82a42c..68fd94d 100644
--- a/stm-firmware/ui/shell.c
+++ b/stm-firmware/ui/shell.c
@@ -49,13 +49,10 @@
 #include <reflow-controller/ui/gui.h>
 #include <reflow-controller/ui/shell-uart.h>
 #include <reflow-controller/safety/flash-crc.h>
+#include <reflow-controller/version.h>
 
 #include <stdio.h>
 
-#ifndef GIT_VER
-#define GIT_VER "VERSION NOT SET"
-#endif
-
 static shellmatta_instance_t shell;
 static char shell_buffer[512];
 static char IN_SECTION(.ccm.bss) history_buffer[512];
@@ -81,8 +78,9 @@ static shellmatta_retCode_t shell_cmd_ver(const shellmatta_handle_t   handle,
 	stm_unique_id_get(&high_id, &mid_id, &low_id);
 	stm_dev_rev_id_get(&stm_dev_id, &stm_rev_id);
 
-	shellmatta_printf(handle, "Reflow Oven Controller Firmware " xstr(GIT_VER) "\r\n"
-										   "Compiled: " __DATE__ " at " __TIME__ "\r\n");
+	shellmatta_printf(handle, "Reflow Oven Controller Firmware %s\r\n"
+				"Compiled: %s at %s\r\n",
+				version_git_version_string, version_compile_date, version_compile_time);
 	shellmatta_printf(handle, "Serial: %08X-%08X-%08X\r\n", high_id, mid_id, low_id);
 
 	pcb_rev = get_pcb_hardware_version();