diff --git a/parse.go b/parse.go
index 88a43ef..71fd438 100644
--- a/parse.go
+++ b/parse.go
@@ -147,7 +147,7 @@ func parseSelectGraphicRenditionEscapeSequence(escapeSeq string) (uint64, error)
 func processTextAnnotations(text *String) error {
 	var buffer bytes.Buffer
 	for _, coloredRune := range *text {
-		buffer.WriteByte(byte(coloredRune.Symbol))
+		_ = buffer.WriteByte(byte(coloredRune.Symbol))
 	}
 
 	raw := buffer.String()
diff --git a/render.go b/render.go
index 79ac592..8a47a7f 100644
--- a/render.go
+++ b/render.go
@@ -50,16 +50,16 @@ func (s String) String() string {
 				prepend = append(prepend, 0)
 			}
 
-			buffer.WriteString(renderSGR(coloredRune.Settings, prepend...))
+			_, _ = buffer.WriteString(renderSGR(coloredRune.Settings, prepend...))
 			current = coloredRune.Settings
 		}
 
-		buffer.WriteByte(byte(coloredRune.Symbol))
+		_ = buffer.WriteByte(byte(coloredRune.Symbol))
 	}
 
 	// Make sure to finish with a reset escape sequence
 	if current != 0 {
-		buffer.WriteString(renderSGR(0))
+		_, _ = buffer.WriteString(renderSGR(0))
 	}
 
 	return buffer.String()