diff --git a/WiFi_Shield.ino b/WiFi_Shield.ino
index 6b2740a..a44a9d7 100644
--- a/WiFi_Shield.ino
+++ b/WiFi_Shield.ino
@@ -70,7 +70,7 @@ enum UpdateStatus {
 */
 
 unsigned long HW_GROUP = 1;               // Changes with hardware changes that require software changes
-unsigned long FW_VERSION = 1806240002;    // Changes with each release; must always increase
+unsigned long FW_VERSION = 1807020001;    // Changes with each release; must always increase
 unsigned long SP_VERSION = 0;             // Loaded from SPIFFS; changed with each SPIFFS build; must always increase (uses timestamp as version)
 
 // FW & SPIFFS update settings
@@ -399,6 +399,7 @@ void ISR_config() {
     btnTimer = millis();
     btnDur = 0;
   } else {
+    btnDur = millis() - btnTimer;
     btnTimer = 0;
     // Discard presses <= 50ms
     if (btnDur > 50) {
diff --git a/firmware.bin b/firmware.bin
index fb580c0..808d810 100644
Binary files a/firmware.bin and b/firmware.bin differ
diff --git a/firmware.version b/firmware.version
index f8b3738..3ee003a 100644
--- a/firmware.version
+++ b/firmware.version
@@ -1 +1 @@
-1806240002
\ No newline at end of file
+1807020001
\ No newline at end of file