diff --git a/ChangeLog.md b/ChangeLog.md
index 7ff14694..514071f4 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -44,6 +44,12 @@ had previously been initialized on the 2D X server without VirtualGL.
 other elements of the Firefox browser window to disappear when the window was
 resized.
 
+10. Fixed an issue in the EGL back end whereby `GLX_EXT_framebuffer_sRGB` was
+not added to the list of extensions returned by
+`glXGetClientString(..., GLX_EXTENSIONS)`, `glXQueryExtensionsString()`, or
+`glXQueryServerString(..., GLX_EXTENSIONS)` unless the underlying EGL
+implementation supported v1.5 or later of the EGL API.
+
 
 3.0.2
 =====
diff --git a/demos/glxspheres.c b/demos/glxspheres.c
index e459cf19..cc318539 100644
--- a/demos/glxspheres.c
+++ b/demos/glxspheres.c
@@ -587,7 +587,7 @@ int main(int argc, char **argv)
 		rgbAttribs[19] = 32 - bpc * 3;
 	}
 
-	if(!GLX_EXTENSION_EXISTS(GLX_EXT_framebuffer_sRGB))
+	if(useSRGB && !GLX_EXTENSION_EXISTS(GLX_EXT_framebuffer_sRGB))
 		THROW("GLX_EXT_framebuffer_sRGB extension is not available");
 
 	c = glXChooseFBConfig(dpy, screen, rgbAttribs, &n);
diff --git a/server/faker-glx.cpp b/server/faker-glx.cpp
index 28d1e395..7213330a 100644
--- a/server/faker-glx.cpp
+++ b/server/faker-glx.cpp
@@ -1,6 +1,6 @@
 // Copyright (C)2004 Landmark Graphics Corporation
 // Copyright (C)2005, 2006 Sun Microsystems, Inc.
-// Copyright (C)2009, 2011-2023 D. R. Commander
+// Copyright (C)2009, 2011-2024 D. R. Commander
 //
 // This library is free software and may be redistributed and/or modified under
 // the terms of the wxWindows Library License, Version 3.1 or (at your option)
@@ -866,7 +866,10 @@ static const char *getGLXExtensions(void)
 		if((faker::eglMajor > 1 || (faker::eglMajor == 1 && faker::eglMinor >= 5))
 			&& !strstr(glxextensions, "GLX_ARB_create_context"))
 			strncat(glxextensions,
-				" GLX_ARB_create_context GLX_ARB_create_context_profile GLX_EXT_framebuffer_sRGB",
+				" GLX_ARB_create_context GLX_ARB_create_context_profile",
+				1023 - strlen(glxextensions));
+		if(!strstr(glxextensions, "GLX_EXT_framebuffer_sRGB"))
+			strncat(glxextensions, " GLX_EXT_framebuffer_sRGB",
 				1023 - strlen(glxextensions));
 		return glxextensions;
 	}