diff --git a/aegisub/src/auto4_base.cpp b/aegisub/src/auto4_base.cpp
index a9ff3bebc..1d0452408 100644
--- a/aegisub/src/auto4_base.cpp
+++ b/aegisub/src/auto4_base.cpp
@@ -570,8 +570,8 @@ namespace Automation4 {
 	{
 		using std::placeholders::_1;
 		// Just make this always return true to bitch about unknown script formats in autoload
-		return find_if(Factories().begin(), Factories().end(),
-			[&](ScriptFactory *sf) { return filename.Matches(sf->GetFilenamePattern()); }) != Factories().end();
+		return any_of(Factories().begin(), Factories().end(),
+			[&](ScriptFactory *sf) { return filename.Matches(sf->GetFilenamePattern()); });
 	}
 
 	std::vector<ScriptFactory*>& ScriptFactory::Factories()
diff --git a/aegisub/src/command/edit.cpp b/aegisub/src/command/edit.cpp
index 5085eb21a..4b02bce32 100644
--- a/aegisub/src/command/edit.cpp
+++ b/aegisub/src/command/edit.cpp
@@ -612,7 +612,7 @@ static void duplicate_lines(agi::Context *c, bool shift) {
 		if (start == end) break;
 
 		// And the last line in this contiguous selection
-		entryIter insert_pos = find_if(start, end, std::not1(sel));
+		entryIter insert_pos = find_if_not(start, end, sel);
 		entryIter last = insert_pos;
 		--last;