diff --git a/internal/conf/env/env.go b/internal/conf/env/env.go
index bb735224..13151b18 100644
--- a/internal/conf/env/env.go
+++ b/internal/conf/env/env.go
@@ -72,7 +72,7 @@ func loadEnvInternal(env map[string]string, prefix string, prv reflect.Value) er
 		}
 		return nil
 
-	case reflect.TypeOf(uint64(0)):
+	case reflect.TypeOf(uint(0)):
 		if ev, ok := env[prefix]; ok {
 			if prv.IsNil() {
 				prv.Set(reflect.New(rt))
diff --git a/internal/conf/env/env_test.go b/internal/conf/env/env_test.go
index 47ff7e39..76f5e808 100644
--- a/internal/conf/env/env_test.go
+++ b/internal/conf/env/env_test.go
@@ -16,7 +16,7 @@ func intPtr(v int) *int {
 	return &v
 }
 
-func uint64Ptr(v uint64) *uint64 {
+func uintPtr(v uint) *uint {
 	return &v
 }
 
@@ -75,8 +75,8 @@ type testStruct struct {
 	MyStringOpt              *string              `json:"myStringOpt"`
 	MyInt                    int                  `json:"myInt"`
 	MyIntOpt                 *int                 `json:"myIntOpt"`
-	MyUint                   uint64               `json:"myUint"`
-	MyUintOpt                *uint64              `json:"myUintOpt"`
+	MyUint                   uint                 `json:"myUint"`
+	MyUintOpt                *uint                `json:"myUintOpt"`
 	MyFloat                  float64              `json:"myFloat"`
 	MyFloatOpt               *float64             `json:"myFloatOpt"`
 	MyBool                   bool                 `json:"myBool"`
@@ -141,7 +141,7 @@ func TestLoad(t *testing.T) {
 		MyInt:         123,
 		MyIntOpt:      intPtr(456),
 		MyUint:        8910,
-		MyUintOpt:     uint64Ptr(112313),
+		MyUintOpt:     uintPtr(112313),
 		MyFloat:       15.2,
 		MyFloatOpt:    float64Ptr(16.2),
 		MyBool:        true,
diff --git a/internal/conf/path.go b/internal/conf/path.go
index 2cff904e..d6735dab 100644
--- a/internal/conf/path.go
+++ b/internal/conf/path.go
@@ -130,9 +130,9 @@ type Path struct {
 	SourceRedirect string `json:"sourceRedirect"`
 
 	// Raspberry Pi Camera source
-	RPICameraCamID             int       `json:"rpiCameraCamID"`
-	RPICameraWidth             int       `json:"rpiCameraWidth"`
-	RPICameraHeight            int       `json:"rpiCameraHeight"`
+	RPICameraCamID             uint      `json:"rpiCameraCamID"`
+	RPICameraWidth             uint      `json:"rpiCameraWidth"`
+	RPICameraHeight            uint      `json:"rpiCameraHeight"`
 	RPICameraHFlip             bool      `json:"rpiCameraHFlip"`
 	RPICameraVFlip             bool      `json:"rpiCameraVFlip"`
 	RPICameraBrightness        float64   `json:"rpiCameraBrightness"`
@@ -143,7 +143,7 @@ type Path struct {
 	RPICameraAWB               string    `json:"rpiCameraAWB"`
 	RPICameraAWBGains          []float64 `json:"rpiCameraAWBGains"`
 	RPICameraDenoise           string    `json:"rpiCameraDenoise"`
-	RPICameraShutter           int       `json:"rpiCameraShutter"`
+	RPICameraShutter           uint      `json:"rpiCameraShutter"`
 	RPICameraMetering          string    `json:"rpiCameraMetering"`
 	RPICameraGain              float64   `json:"rpiCameraGain"`
 	RPICameraEV                float64   `json:"rpiCameraEV"`
@@ -157,12 +157,12 @@ type Path struct {
 	RPICameraAfSpeed           string    `json:"rpiCameraAfSpeed"`
 	RPICameraLensPosition      float64   `json:"rpiCameraLensPosition"`
 	RPICameraAfWindow          string    `json:"rpiCameraAfWindow"`
-	RPICameraFlickerPeriod     int       `json:"rpiCameraFlickerPeriod"`
+	RPICameraFlickerPeriod     uint      `json:"rpiCameraFlickerPeriod"`
 	RPICameraTextOverlayEnable bool      `json:"rpiCameraTextOverlayEnable"`
 	RPICameraTextOverlay       string    `json:"rpiCameraTextOverlay"`
 	RPICameraCodec             string    `json:"rpiCameraCodec"`
-	RPICameraIDRPeriod         int       `json:"rpiCameraIDRPeriod"`
-	RPICameraBitrate           int       `json:"rpiCameraBitrate"`
+	RPICameraIDRPeriod         uint      `json:"rpiCameraIDRPeriod"`
+	RPICameraBitrate           uint      `json:"rpiCameraBitrate"`
 	RPICameraProfile           string    `json:"rpiCameraProfile"`
 	RPICameraLevel             string    `json:"rpiCameraLevel"`
 
diff --git a/internal/staticsources/rpicamera/params.go b/internal/staticsources/rpicamera/params.go
index ec864110..3ca84194 100644
--- a/internal/staticsources/rpicamera/params.go
+++ b/internal/staticsources/rpicamera/params.go
@@ -2,9 +2,9 @@ package rpicamera
 
 type params struct {
 	LogLevel          string
-	CameraID          int
-	Width             int
-	Height            int
+	CameraID          uint
+	Width             uint
+	Height            uint
 	HFlip             bool
 	VFlip             bool
 	Brightness        float64
@@ -16,7 +16,7 @@ type params struct {
 	AWBGainRed        float64
 	AWBGainBlue       float64
 	Denoise           string
-	Shutter           int
+	Shutter           uint
 	Metering          string
 	Gain              float64
 	EV                float64
@@ -30,12 +30,12 @@ type params struct {
 	AfSpeed           string
 	LensPosition      float64
 	AfWindow          string
-	FlickerPeriod     int
+	FlickerPeriod     uint
 	TextOverlayEnable bool
 	TextOverlay       string
 	Codec             string
-	IDRPeriod         int
-	Bitrate           int
+	IDRPeriod         uint
+	Bitrate           uint
 	Profile           string
 	Level             string
 }
diff --git a/internal/staticsources/rpicamera/params_serialize.go b/internal/staticsources/rpicamera/params_serialize.go
index 362f6f8f..1234fdbb 100644
--- a/internal/staticsources/rpicamera/params_serialize.go
+++ b/internal/staticsources/rpicamera/params_serialize.go
@@ -21,8 +21,8 @@ func (p params) serialize() []byte {
 		f := rv.Field(i)
 
 		switch f.Kind() {
-		case reflect.Int:
-			entry += strconv.FormatInt(f.Int(), 10)
+		case reflect.Uint:
+			entry += strconv.FormatUint(f.Uint(), 10)
 
 		case reflect.Float64:
 			entry += strconv.FormatFloat(f.Float(), 'f', -1, 64)