diff --git a/Controllers/NanoleafController/NanoleafController.cpp b/Controllers/NanoleafController/NanoleafController.cpp
index be3d3f37..1fbede34 100644
--- a/Controllers/NanoleafController/NanoleafController.cpp
+++ b/Controllers/NanoleafController/NanoleafController.cpp
@@ -176,7 +176,7 @@ void NanoleafController::UpdateLEDs(std::vector<RGBColor>& colors)
 
         message[0]          = (uint8_t)size;                                /* nPanels          */
 
-        for(int i = 0; i < size; i++)
+        for(unsigned int i = 0; i < size; i++)
         {
             message[(7 * i) + 0 + 1] = (uint8_t)panel_ids[i];               /* panelId          */
             message[(7 * i) + 1 + 1] = (uint8_t)1;                          /* nFrames          */
@@ -215,7 +215,7 @@ void NanoleafController::UpdateLEDs(std::vector<RGBColor>& colors)
         message[0]          = (uint8_t)(size >> 8);                         /* nPanels H        */
         message[1]          = (uint8_t)(size & 0xFF);                       /* nPanels L        */
 
-        for(int i = 0; i < size; i++)
+        for(unsigned int i = 0; i < size; i++)
         {
             message[(8 * i) + 0 + 2] = (uint8_t)(panel_ids[i] >> 8);        /* panelId H        */
             message[(8 * i) + 1 + 2] = (uint8_t)(panel_ids[i] & 0xFF);      /* panelId L        */