2 files changed, 8 insertions, 6 deletions
diff --git a/scene/resources/sprite_frames.cpp b/scene/resources/sprite_frames.cpp
index c101974248..818be38681 100644
--- a/scene/resources/sprite_frames.cpp
+++ b/scene/resources/sprite_frames.cpp
@@ -36,7 +36,7 @@ void SpriteFrames::add_frame(const StringName &p_anim, const Ref<Texture2D> &p_t
 	HashMap<StringName, Anim>::Iterator E = animations.find(p_anim);
 	ERR_FAIL_COND_MSG(!E, "Animation '" + String(p_anim) + "' doesn't exist.");
 
-	p_duration = MAX(0.0, p_duration);
+	p_duration = MAX(SPRITE_FRAME_MINIMUM_DURATION, p_duration);
 
 	Frame frame = { p_texture, p_duration };
 
@@ -57,7 +57,7 @@ void SpriteFrames::set_frame(const StringName &p_anim, int p_idx, const Ref<Text
 		return;
 	}
 
-	p_duration = MAX(0.0, p_duration);
+	p_duration = MAX(SPRITE_FRAME_MINIMUM_DURATION, p_duration);
 
 	Frame frame = { p_texture, p_duration };
 
@@ -214,7 +214,7 @@ void SpriteFrames::_set_animations(const Array &p_animations) {
 			ERR_CONTINUE(!f.has("texture"));
 			ERR_CONTINUE(!f.has("duration"));
 
-			Frame frame = { f["texture"], f["duration"] };
+			Frame frame = { f["texture"], MAX(SPRITE_FRAME_MINIMUM_DURATION, (float)f["duration"]) };
 			anim.frames.push_back(frame);
 		}
 
diff --git a/scene/resources/sprite_frames.h b/scene/resources/sprite_frames.h
index 61bead6948..6de2b4a37b 100644
--- a/scene/resources/sprite_frames.h
+++ b/scene/resources/sprite_frames.h
@@ -33,6 +33,8 @@
 
 #include "scene/resources/texture.h"
 
+static const float SPRITE_FRAME_MINIMUM_DURATION = 0.01;
+
 class SpriteFrames : public Resource {
 	GDCLASS(SpriteFrames, Resource);
 
@@ -89,10 +91,10 @@ public:
 
 	_FORCE_INLINE_ float get_frame_duration(const StringName &p_anim, int p_idx) const {
 		HashMap<StringName, Anim>::ConstIterator E = animations.find(p_anim);
-		ERR_FAIL_COND_V_MSG(!E, 0.0, "Animation '" + String(p_anim) + "' doesn't exist.");
-		ERR_FAIL_COND_V(p_idx < 0, 0.0);
+		ERR_FAIL_COND_V_MSG(!E, 1.0, "Animation '" + String(p_anim) + "' doesn't exist.");
+		ERR_FAIL_COND_V(p_idx < 0, 1.0);
 		if (p_idx >= E->value.frames.size()) {
-			return 0.0;
+			return 1.0;
 		}
 
 		return E->value.frames[p_idx].duration;