diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index 46db22075..4755ffb47 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -3264,7 +3264,7 @@ void moveactors_d(void)
 
 		case REACTOR:
 		case REACTOR2:
-			reactor(i, REACTOR, REACTOR2, REACTOR2BURNT, REACTOR2BURNT);
+			reactor(i, REACTOR, REACTOR2, REACTORBURNT, REACTOR2BURNT);
 			continue;
 
 		case CAMERA1:
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index 9ee1c8158..548233c8f 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -3240,7 +3240,7 @@ void moveactors_r(void)
 
 			case REACTOR:
 			case REACTOR2:
-				reactor(i, REACTOR, REACTOR2, REACTOR2BURNT, REACTOR2BURNT);
+				reactor(i, REACTOR, REACTOR2, REACTORBURNT, REACTOR2BURNT);
 				continue;
 
 			case CAMERA1:
diff --git a/source/games/duke/src/gamedef.cpp b/source/games/duke/src/gamedef.cpp
index 3e8a0bbd8..ab4af6008 100644
--- a/source/games/duke/src/gamedef.cpp
+++ b/source/games/duke/src/gamedef.cpp
@@ -344,7 +344,7 @@ int findlabel(const char* text, bool ignorecase = false)
 int getlabelvalue(const char* text)
 {
 	int lnum = findlabel(text, true);
-	if (labels[lnum].type != LABEL_DEFINE) return -1;
+	if (lnum >= 0 && labels[lnum].type != LABEL_DEFINE) return -1;
 	return lnum < 0 ? -1 : labels[lnum].value;
 }