diff --git a/Source/error.cpp b/Source/error.cpp
index ca952fa28..01a23c433 100644
--- a/Source/error.cpp
+++ b/Source/error.cpp
@@ -40,7 +40,7 @@ void InitNextLines()
 	size_t previous = 0;
 	while (true) {
 		size_t next = paragraphs.find('\n', previous);
-		TextLines.emplace_back(paragraphs.substr(previous, next));
+		TextLines.emplace_back(paragraphs.substr(previous, next - previous));
 		if (next == std::string::npos)
 			break;
 		previous = next + 1;
diff --git a/Source/help.cpp b/Source/help.cpp
index c4822d070..0fa90598b 100644
--- a/Source/help.cpp
+++ b/Source/help.cpp
@@ -158,7 +158,7 @@ void InitHelp()
 		size_t previous = 0;
 		while (true) {
 			size_t next = paragraph.find('\n', previous);
-			HelpTextLines.emplace_back(paragraph.substr(previous, next));
+			HelpTextLines.emplace_back(paragraph.substr(previous, next - previous));
 			if (next == std::string::npos)
 				break;
 			previous = next + 1;