diff --git a/radio/src/gui/128x64/model_setup.cpp b/radio/src/gui/128x64/model_setup.cpp
index 13e37fec0..5860bf2ca 100644
--- a/radio/src/gui/128x64/model_setup.cpp
+++ b/radio/src/gui/128x64/model_setup.cpp
@@ -1484,7 +1484,7 @@ void menuModelSetup(event_t event)
 
           lcdDrawNumber(MODEL_SETUP_2ND_COLUMN, y, optionValue, LEFT | attr);
           if (attr) {
-            uint8_t min, max;
+            int8_t min, max;
             getMultiOptionValues(multi_proto, min, max);
             CHECK_INCDEC_MODELVAR(event, g_model.moduleData[moduleIdx].multi.optionValue, min, max);
           }
diff --git a/radio/src/gui/212x64/model_setup.cpp b/radio/src/gui/212x64/model_setup.cpp
index 69897a0f6..c7acddefb 100644
--- a/radio/src/gui/212x64/model_setup.cpp
+++ b/radio/src/gui/212x64/model_setup.cpp
@@ -1241,7 +1241,7 @@ void menuModelSetup(event_t event)
 
          lcdDrawNumber(MODEL_SETUP_2ND_COLUMN, y, optionValue, LEFT | attr);
          if (attr) {
-           uint8_t min, max;
+           int8_t min, max;
            getMultiOptionValues(multi_proto, min, max);
            CHECK_INCDEC_MODELVAR(event, g_model.moduleData[moduleIdx].multi.optionValue, min, max);
          }
diff --git a/radio/src/gui/480x272/model_setup.cpp b/radio/src/gui/480x272/model_setup.cpp
index c34dab101..93fed1953 100644
--- a/radio/src/gui/480x272/model_setup.cpp
+++ b/radio/src/gui/480x272/model_setup.cpp
@@ -1635,7 +1635,7 @@ bool menuModelSetup(event_t event)
 
           lcdDrawNumber(MODEL_SETUP_2ND_COLUMN, y, optionValue, LEFT | attr);
           if (attr) {
-            uint8_t min, max;
+            int8_t min, max;
             getMultiOptionValues(multi_proto, min, max);
             CHECK_INCDEC_MODELVAR(event, g_model.moduleData[moduleIdx].multi.optionValue, min, max);
           }
diff --git a/radio/src/pulses/modules_helpers.h b/radio/src/pulses/modules_helpers.h
index 2b42d8175..2c9a64e94 100644
--- a/radio/src/pulses/modules_helpers.h
+++ b/radio/src/pulses/modules_helpers.h
@@ -559,7 +559,7 @@ inline void resetMultiProtocolsOptions(uint8_t moduleIdx)
   g_model.moduleData[moduleIdx].multi.lowPowerMode = 0;
 }
 
-inline void getMultiOptionValues(uint8_t multi_proto, uint8_t & min, uint8_t & max)
+inline void getMultiOptionValues(int8_t multi_proto, int8_t & min, int8_t & max)
 {
   switch (multi_proto) {
     case MODULE_SUBTYPE_MULTI_DSM2: