diff --git a/rendering/src/main/java/de/staropensource/engine/rendering/renderer/Renderer.java b/rendering/src/main/java/de/staropensource/engine/rendering/renderer/Renderer.java
index 768821e30..e73d2f280 100644
--- a/rendering/src/main/java/de/staropensource/engine/rendering/renderer/Renderer.java
+++ b/rendering/src/main/java/de/staropensource/engine/rendering/renderer/Renderer.java
@@ -203,7 +203,7 @@ public final class Renderer {
                 bgfx_dbg_text_printf(0, 0, 0x0f, "Time: " + NumberUtil.padNumbers(LocalTime.now().getHour(), 2) + ":" + NumberUtil.padNumbers(LocalTime.now().getMinute(), 2) + ":" + NumberUtil.padNumbers(LocalTime.now().getSecond(), 2));
                 bgfx_dbg_text_printf(0, 1, 0x0f, "Frames: " + Renderer.getFrameCount());
                 bgfx_dbg_text_printf(0, 2, 0x0f, "Frames/s: " + Renderer.getFramesPerSecond());
-                bgfx_dbg_text_printf(0, 3, 0x0f, "Delta: " + Renderer.getDeltaTime());
+                bgfx_dbg_text_printf(0, 3, 0x0f, "Delta: " + Renderer.getDeltaTime() + "s");
                 bgfx_dbg_text_printf(0, 4, 0x0f, "V-Sync mode: " + RenderingSubsystemConfiguration.getInstance().getVsyncMode().name());
                 bgfx_dbg_text_printf(0, 6, 0x0f, "Rendering time:");
                 for (String item : lastFrameTime.keySet()) {
@@ -366,7 +366,7 @@ public final class Renderer {
             // Perform per-second operations
             if (System.currentTimeMillis() >= timesPSO) {
                 // Calculate FPS count
-                framesPerSecond = 1 / deltaTime;
+                framesPerSecond = 1 / NumberUtil.calculateMeanDouble(deltaTimes);
 
                 // Log frame count
                 if (RenderingSubsystemConfiguration.getInstance().isDebugFrames())