diff --git a/prosjekt.X/command-handler.c b/prosjekt.X/command-handler.c
index 7ae96f5..eb97922 100644
--- a/prosjekt.X/command-handler.c
+++ b/prosjekt.X/command-handler.c
@@ -1,5 +1,5 @@
 #include "command-handler.h"
-#include "fan_speeeed.h"
+#include "fan_speed.h"
 
 // Initialize empty, global command context
 volatile command_context_t context = {UNKNOWN_COMMAND, SRC_NONE, FAN_NONE,
diff --git a/prosjekt.X/fan_speeeed.c b/prosjekt.X/fan_speed.c
similarity index 95%
rename from prosjekt.X/fan_speeeed.c
rename to prosjekt.X/fan_speed.c
index db41f07..7b84c59 100644
--- a/prosjekt.X/fan_speeeed.c
+++ b/prosjekt.X/fan_speed.c
@@ -1,4 +1,4 @@
-#include "fan_speeeed.h"
+#include "fan_speed.h"
 #include "uart.h"
 
 uint16_t timer_period_ms = 1;
diff --git a/prosjekt.X/fan_speeeed.h b/prosjekt.X/fan_speed.h
similarity index 100%
rename from prosjekt.X/fan_speeeed.h
rename to prosjekt.X/fan_speed.h
diff --git a/prosjekt.X/main.c b/prosjekt.X/main.c
index 7dfb0f0..25da254 100644
--- a/prosjekt.X/main.c
+++ b/prosjekt.X/main.c
@@ -26,6 +26,9 @@
 // Fan history variables
 volatile uint16_t fan1_history[512] = {0};
 volatile uint16_t fan2_history[512] = {0};
+// Fan history index variable
+volatile uint16_t fan1_history_index = 0;
+volatile uint16_t fan2_history_index = 0;
 
 // Default config is 500ms sample rate
 volatile config_t config = {500};
diff --git a/prosjekt.X/nbproject/configurations.xml b/prosjekt.X/nbproject/configurations.xml
index 46b7e18..7d01886 100644
--- a/prosjekt.X/nbproject/configurations.xml
+++ b/prosjekt.X/nbproject/configurations.xml
@@ -6,11 +6,11 @@
                    projectFiles="true">
       <itemPath>uart.h</itemPath>
       <itemPath>voltage.h</itemPath>
-      <itemPath>fan_speeeed.h</itemPath>
       <itemPath>themistor-temp.h</itemPath>
       <itemPath>command-handler.h</itemPath>
       <itemPath>eeprom.h</itemPath>
       <itemPath>i2c.h</itemPath>
+      <itemPath>fan_speed.h</itemPath>
     </logicalFolder>
     <logicalFolder name="ExternalFiles"
                    displayName="Important Files"
@@ -28,11 +28,11 @@
       <itemPath>main.c</itemPath>
       <itemPath>uart.c</itemPath>
       <itemPath>voltage.c</itemPath>
-      <itemPath>fan_speeeed.c</itemPath>
       <itemPath>thermistor-temp.c</itemPath>
       <itemPath>command-handler.c</itemPath>
       <itemPath>i2c.c</itemPath>
       <itemPath>eeprom.c</itemPath>
+      <itemPath>fan_speed.c</itemPath>
     </logicalFolder>
   </logicalFolder>
   <projectmakefile>Makefile</projectmakefile>