diff --git a/aegisub/src/utils.cpp b/aegisub/src/utils.cpp
index 21c80c6b3..01b3f2b2f 100644
--- a/aegisub/src/utils.cpp
+++ b/aegisub/src/utils.cpp
@@ -220,7 +220,7 @@ void GetWordBoundaries(const wxString text, IntPairVector &results, int start, i
 
 	for (int i = start; i < end + 1; ++i) {
 		// Current character
-		wxUniChar cur = i < end ? text[i] : '.';
+		wxUniChar cur = i < end ? text[i] : wxUniChar('.');
 
 		// Increase depth
 		if (cur == '{') {