diff --git a/data/shaders/bloom.frag b/data/shaders/bloom.frag
index 4169ef49c..e7c50efb6 100644
--- a/data/shaders/bloom.frag
+++ b/data/shaders/bloom.frag
@@ -16,7 +16,7 @@ void main()
 	vec3 col = texture(tex, uv).xyz;
 	float luma = getCIEYxy(col).x;
 
-	col *= smoothstep(1., 100., luma);
+	col *= smoothstep(1., 10., luma);
 
 	FragColor = vec4(col, 1.0);
 }
diff --git a/src/graphics/glwrap.cpp b/src/graphics/glwrap.cpp
index 9578de242..9717c1dbd 100644
--- a/src/graphics/glwrap.cpp
+++ b/src/graphics/glwrap.cpp
@@ -67,6 +67,7 @@ PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample;
 PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
 PFNGLGETUNIFORMBLOCKINDEXPROC glGetUniformBlockIndex;
 PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBinding;
+PFNGLBLENDCOLORPROC glBlendColor;
 #endif
 
 static bool is_gl_init = false;
@@ -213,6 +214,7 @@ void initGL()
     glBlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)IRR_OGL_LOAD_EXTENSION("glBlitFramebuffer");
     glGetUniformBlockIndex = (PFNGLGETUNIFORMBLOCKINDEXPROC)IRR_OGL_LOAD_EXTENSION("glGetUniformBlockIndex");
     glUniformBlockBinding = (PFNGLUNIFORMBLOCKBINDINGPROC)IRR_OGL_LOAD_EXTENSION("glUniformBlockBinding");
+    glBlendColor = (PFNGLBLENDCOLORPROC)IRR_OGL_LOAD_EXTENSION("glBlendColor");
 #ifdef DEBUG
 	glDebugMessageCallbackARB = (PFNGLDEBUGMESSAGECALLBACKARBPROC)IRR_OGL_LOAD_EXTENSION("glDebugMessageCallbackARB");
 #endif
diff --git a/src/graphics/glwrap.hpp b/src/graphics/glwrap.hpp
index f60f7f836..e00369c1e 100644
--- a/src/graphics/glwrap.hpp
+++ b/src/graphics/glwrap.hpp
@@ -84,6 +84,7 @@ extern PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample;
 extern PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer;
 extern PFNGLGETUNIFORMBLOCKINDEXPROC glGetUniformBlockIndex;
 extern PFNGLUNIFORMBLOCKBINDINGPROC glUniformBlockBinding;
+extern PFNGLBLENDCOLORPROC glBlendColor;
 #ifdef DEBUG
 extern PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARB;
 #endif
diff --git a/src/graphics/post_processing.cpp b/src/graphics/post_processing.cpp
index 51cd4337d..b37e2ceb2 100644
--- a/src/graphics/post_processing.cpp
+++ b/src/graphics/post_processing.cpp
@@ -658,10 +658,13 @@ void PostProcessing::render()
                 // Additively blend on top of tmp1
                 glBindFramebuffer(GL_FRAMEBUFFER, out_fbo);
                 glEnable(GL_BLEND);
-                glBlendFunc(GL_ONE, GL_ONE);
+                glBlendFunc(GL_CONSTANT_COLOR, GL_ONE);
                 glBlendEquation(GL_FUNC_ADD);
+                glBlendColor(.125, .125, .125, .125);
                 renderPassThrough(irr_driver->getRenderTargetTexture(RTT_BLOOM_128));
+                glBlendColor(.25, .25, .25, .25);
                 renderPassThrough(irr_driver->getRenderTargetTexture(RTT_BLOOM_256));
+                glBlendColor(.5, .5, .5, .5);
                 renderPassThrough(irr_driver->getRenderTargetTexture(RTT_BLOOM_512));
                 glDisable(GL_BLEND);
             } // end if bloom