diff --git a/core/math/transform_interpolator.h b/core/math/transform_interpolator.h
index cbe1c6b5603..aff9d2c1a91 100644
--- a/core/math/transform_interpolator.h
+++ b/core/math/transform_interpolator.h
@@ -50,7 +50,7 @@ class Transform;
 
 class TransformInterpolator {
 public:
-	enum Method {
+	enum Method : unsigned int {
 		INTERP_LERP,
 		INTERP_SLERP,
 		INTERP_SCALED_SLERP,
diff --git a/scene/main/node.h b/scene/main/node.h
index 5d20f9e59f9..e7edd731c17 100644
--- a/scene/main/node.h
+++ b/scene/main/node.h
@@ -48,14 +48,18 @@ class Node : public Object {
 	OBJ_CATEGORY("Nodes");
 
 public:
-	enum PauseMode {
+	// N.B. Any enum stored as a bitfield should
+	// be specified as UNSIGNED to work around
+	// some compilers trying to store it as signed,
+	// and requiring 1 more bit than necessary.
+	enum PauseMode : unsigned int {
 
 		PAUSE_MODE_INHERIT,
 		PAUSE_MODE_STOP,
 		PAUSE_MODE_PROCESS
 	};
 
-	enum PhysicsInterpolationMode {
+	enum PhysicsInterpolationMode : unsigned int {
 
 		PHYSICS_INTERPOLATION_MODE_INHERIT,
 		PHYSICS_INTERPOLATION_MODE_OFF,