diff --git a/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp b/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
index bf47a7a..db76fb4 100644
--- a/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
+++ b/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
@@ -352,7 +352,10 @@
     int w, h;
     SDL_GetWindowSize(g_Window, &w, &h);
     io.DisplaySize = ImVec2((float)w, (float)h);
-    io.DisplayFramebufferScale = ImVec2(1.0f, 1.0f);
+
+    int glW, glH;
+    SDL_GL_GetDrawableSize(window, &glW, &glH);
+    io.DisplayFramebufferScale = ImVec2(glW / io.DisplaySize.x, glH / io.DisplaySize.y);
 
     // Setup time step
     Uint32	time = SDL_GetTicks();

diff --git a/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp b/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
index bf47a7a..db76fb4 100644
--- a/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
+++ b/examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
@@ -352,7 +352,10 @@
     int w, h;
     SDL_GetWindowSize(g_Window, &w, &h);
     io.DisplaySize = ImVec2((float)w, (float)h);
-    io.DisplayFramebufferScale = ImVec2(1.0f, 1.0f);
+
+    int glW, glH;
+    SDL_GL_GetDrawableSize(window, &glW, &glH);
+    io.DisplayFramebufferScale = ImVec2(glW / io.DisplaySize.x, glH / io.DisplaySize.y);
 
     // Setup time step
     Uint32	time = SDL_GetTicks();
diff --git a/examples/sdl_opengl_example/imgui_impl_sdl.cpp b/examples/sdl_opengl_example/imgui_impl_sdl.cpp
index e222c80..47dac65 100644
--- a/examples/sdl_opengl_example/imgui_impl_sdl.cpp
+++ b/examples/sdl_opengl_example/imgui_impl_sdl.cpp
@@ -240,9 +240,9 @@
     SDL_GetWindowSize(window, &w, &h);
     io.DisplaySize = ImVec2((float)w, (float)h);
 
-    int glW, glH;
-    SDL_GL_GetDrawableSize(window, &glW, &glH);
-    io.DisplayFramebufferScale = ImVec2(glW / io.DisplaySize.x, glH / io.DisplaySize.y);
+	int glW, glH;
+	SDL_GL_GetDrawableSize(window, &glW, &glH);
+	io.DisplayFramebufferScale = ImVec2(glW / io.DisplaySize.x, glH / io.DisplaySize.y);
 
     // Setup time step
     Uint32	time = SDL_GetTicks();