diff --git a/source/common/audio/sound/s_environment.cpp b/source/common/audio/sound/s_environment.cpp
index 7a2dbd9a5..5b4ea79f1 100644
--- a/source/common/audio/sound/s_environment.cpp
+++ b/source/common/audio/sound/s_environment.cpp
@@ -538,7 +538,7 @@ void S_ReadReverbDef (FScanner &sc)
 
 	while (sc.GetString ())
 	{
-		name = strdup (sc.String);
+		name = copystring(sc.String);
 		sc.MustGetNumber ();
 		id1 = sc.Number;
 		sc.MustGetNumber ();
diff --git a/source/common/utility/cmdlib.cpp b/source/common/utility/cmdlib.cpp
index b8c140453..9bb06fb38 100644
--- a/source/common/utility/cmdlib.cpp
+++ b/source/common/utility/cmdlib.cpp
@@ -831,7 +831,7 @@ FString ExpandEnvVars(const char *searchpathstring)
 		if (length != 0)
 		{
 			FString varname = FString(dollar + 1, length);
-			if (varname.Compare("progdir") == 0)
+			if (varname.CompareNoCase("progdir") == 0)
 			{
 				out += progdir;
 			}