diff --git a/internal/igwrap/glfw.go b/internal/igwrap/glfw.go
index 9f6ee11..e843d86 100644
--- a/internal/igwrap/glfw.go
+++ b/internal/igwrap/glfw.go
@@ -38,7 +38,11 @@ func NewFrame() {
 	io.SetDisplaySize(imgui.Vec2{X: float32(dsx), Y: float32(dsy)})
 
 	now := time.Now()
-	io.SetDeltaTime(float32(time.Since(lastframe).Seconds()))
+	deltaTime := float32(time.Since(lastframe).Seconds())
+	if deltaTime <= 0.0 {
+		deltaTime = 1e-6
+	}
+	io.SetDeltaTime(deltaTime)
 	lastframe = now
 
 	if win.GetAttrib(glfw.Focused) != 0 {