diff --git a/openrtx/src/ui/ui_main.c b/openrtx/src/ui/ui_main.c
index 72c2998a..b9b9c1f5 100644
--- a/openrtx/src/ui/ui_main.c
+++ b/openrtx/src/ui/ui_main.c
@@ -75,13 +75,13 @@ void _ui_drawVFOMiddle(state_t* last_state)
     // Print VFO frequencies
     char freq_buf[20] = "";
     snprintf(freq_buf, sizeof(freq_buf), " Rx:%03lu.%05lu",
-             last_state->channel.rx_frequency/1000000,
-             last_state->channel.rx_frequency%1000000/10);
+             (unsigned long)last_state->channel.rx_frequency/1000000,
+             (unsigned long)last_state->channel.rx_frequency%1000000/10);
     gfx_print(layout.line2_left, freq_buf, layout.line2_font, TEXT_ALIGN_CENTER,
               color_white);
     snprintf(freq_buf, sizeof(freq_buf), " Tx:%03lu.%05lu",
-             last_state->channel.tx_frequency/1000000,
-             last_state->channel.tx_frequency%1000000/10);
+             (unsigned long)last_state->channel.tx_frequency/1000000,
+             (unsigned long)last_state->channel.tx_frequency%1000000/10);
     gfx_print(layout.line3_left, freq_buf, layout.line3_font, TEXT_ALIGN_CENTER,
               color_white);
 }
@@ -94,13 +94,13 @@ void _ui_drawMEMMiddle(state_t* last_state)
     // Print Channel frequencies
     char freq_buf[20] = "";
     snprintf(freq_buf, sizeof(freq_buf), " Rx:%03lu.%05lu",
-             last_state->channel.rx_frequency/1000000,
-             last_state->channel.rx_frequency%1000000/10);
+             (unsigned long)last_state->channel.rx_frequency/1000000,
+             (unsigned long)last_state->channel.rx_frequency%1000000/10);
     gfx_print(layout.line2_left, freq_buf, layout.line2_font, TEXT_ALIGN_CENTER,
               color_white);
     snprintf(freq_buf, sizeof(freq_buf), " Tx:%03lu.%05lu",
-             last_state->channel.tx_frequency/1000000,
-             last_state->channel.tx_frequency%1000000/10);
+             (unsigned long)last_state->channel.tx_frequency/1000000,
+             (unsigned long)last_state->channel.tx_frequency%1000000/10);
     gfx_print(layout.line3_left, freq_buf, layout.line3_font, TEXT_ALIGN_CENTER,
               color_white);
 }
@@ -118,8 +118,8 @@ void _ui_drawVFOMiddleInput(state_t* last_state, ui_state_t* ui_state)
         if(ui_state->input_position == 0)
         {
             snprintf(freq_buf, sizeof(freq_buf), ">Rx:%03lu.%05lu",
-                     ui_state->new_rx_frequency/1000000,
-                     ui_state->new_rx_frequency%1000000/10);
+                     (unsigned long)ui_state->new_rx_frequency/1000000,
+                     (unsigned long)ui_state->new_rx_frequency%1000000/10);
             gfx_print(layout.line2_left, freq_buf, layout.line2_font, TEXT_ALIGN_CENTER,
                       color_white);
         }
@@ -133,24 +133,24 @@ void _ui_drawVFOMiddleInput(state_t* last_state, ui_state_t* ui_state)
                       color_white);
         }
         snprintf(freq_buf, sizeof(freq_buf), " Tx:%03lu.%05lu",
-                 last_state->channel.tx_frequency/1000000,
-                 last_state->channel.tx_frequency%1000000/10);
+                 (unsigned long)last_state->channel.tx_frequency/1000000,
+                 (unsigned long)last_state->channel.tx_frequency%1000000/10);
         gfx_print(layout.line3_left, freq_buf, layout.line3_font, TEXT_ALIGN_CENTER,
                   color_white);
     }
     else if(ui_state->input_set == SET_TX)
     {
         snprintf(freq_buf, sizeof(freq_buf), " Rx:%03lu.%05lu",
-                 ui_state->new_rx_frequency/1000000,
-                 ui_state->new_rx_frequency%1000000/10);
+                 (unsigned long)ui_state->new_rx_frequency/1000000,
+                 (unsigned long)ui_state->new_rx_frequency%1000000/10);
         gfx_print(layout.line2_left, freq_buf, layout.line2_font, TEXT_ALIGN_CENTER,
                   color_white);
         // Replace Rx frequency with underscorses
         if(ui_state->input_position == 0)
         {
             snprintf(freq_buf, sizeof(freq_buf), ">Tx:%03lu.%05lu",
-                     ui_state->new_rx_frequency/1000000,
-                     ui_state->new_rx_frequency%1000000/10);
+                     (unsigned long)ui_state->new_rx_frequency/1000000,
+                     (unsigned long)ui_state->new_rx_frequency%1000000/10);
             gfx_print(layout.line3_left, freq_buf, layout.line3_font, TEXT_ALIGN_CENTER,
                       color_white);
         }