diff --git a/ext/native/util/text/wrap_text.cpp b/ext/native/util/text/wrap_text.cpp
index c052056034..68ca6d7b5a 100644
--- a/ext/native/util/text/wrap_text.cpp
+++ b/ext/native/util/text/wrap_text.cpp
@@ -143,6 +143,10 @@ void WordWrapper::Wrap() {
 
 	// First, let's check if it fits as-is.
 	size_t len = strlen(str_);
+
+	// We know it'll be approximately this size. It's fine if the guess is a little off.
+	out_.reserve(len + len / 16);
+
 	if (MeasureWidth(str_, len) <= maxW_) {
 		// If it fits, we don't need to go through each character.
 		out_ = str_;