diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86f1895..1c73e87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,4 @@
 # Changelog
-
 - 2016/09/13 (1.15) - !BREAKING! Fixed nonblocking popup behavior in menu, combo,
                         and contextual which prevented closing in y-direction if
                         popup did not reach max height.
diff --git a/demo/d3d11/main.c b/demo/d3d11/main.c
index dc0c165..63c3c8a 100644
--- a/demo/d3d11/main.c
+++ b/demo/d3d11/main.c
@@ -231,7 +231,7 @@ int main(void)
             nk_layout_row_dynamic(ctx, 20, 1);
             nk_label(ctx, "background:", NK_TEXT_LEFT);
             nk_layout_row_dynamic(ctx, 25, 1);
-            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
+            if (nk_combo_begin_color(ctx, &combo, background, nk_vec2(nk_widget_width(ctx),400))) {
                 nk_layout_row_dynamic(ctx, 120, 1);
                 background = nk_color_picker(ctx, background, NK_RGBA);
                 nk_layout_row_dynamic(ctx, 25, 1);
diff --git a/demo/glfw_opengl2/main.c b/demo/glfw_opengl2/main.c
index cfa1e8e..f5ea3b0 100644
--- a/demo/glfw_opengl2/main.c
+++ b/demo/glfw_opengl2/main.c
@@ -127,7 +127,7 @@ int main(void)
             nk_layout_row_dynamic(ctx, 20, 1);
             nk_label(ctx, "background:", NK_TEXT_LEFT);
             nk_layout_row_dynamic(ctx, 25, 1);
-            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
+            if (nk_combo_begin_color(ctx, &combo, background, nk_vec2(nk_widget_width(ctx),400))) {
                 nk_layout_row_dynamic(ctx, 120, 1);
                 background = nk_color_picker(ctx, background, NK_RGBA);
                 nk_layout_row_dynamic(ctx, 25, 1);
diff --git a/demo/glfw_opengl3/main.c b/demo/glfw_opengl3/main.c
index e92aaf9..2ebe15d 100644
--- a/demo/glfw_opengl3/main.c
+++ b/demo/glfw_opengl3/main.c
@@ -141,7 +141,7 @@ int main(void)
             nk_layout_row_dynamic(ctx, 20, 1);
             nk_label(ctx, "background:", NK_TEXT_LEFT);
             nk_layout_row_dynamic(ctx, 25, 1);
-            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
+            if (nk_combo_begin_color(ctx, &combo, background, nk_vec2(nk_widget_width(ctx),400))) {
                 nk_layout_row_dynamic(ctx, 120, 1);
                 background = nk_color_picker(ctx, background, NK_RGBA);
                 nk_layout_row_dynamic(ctx, 25, 1);
diff --git a/demo/sdl_opengl2/main.c b/demo/sdl_opengl2/main.c
index 050acd2..dfdfe87 100644
--- a/demo/sdl_opengl2/main.c
+++ b/demo/sdl_opengl2/main.c
@@ -138,7 +138,7 @@ main(int argc, char* argv[])
             nk_layout_row_dynamic(ctx, 20, 1);
             nk_label(ctx, "background:", NK_TEXT_LEFT);
             nk_layout_row_dynamic(ctx, 25, 1);
-            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
+            if (nk_combo_begin_color(ctx, &combo, background, nk_vec2(nk_widget_width(ctx),400))) {
                 nk_layout_row_dynamic(ctx, 120, 1);
                 background = nk_color_picker(ctx, background, NK_RGBA);
                 nk_layout_row_dynamic(ctx, 25, 1);
diff --git a/demo/sdl_opengl3/main.c b/demo/sdl_opengl3/main.c
index dda147f..b686c9a 100644
--- a/demo/sdl_opengl3/main.c
+++ b/demo/sdl_opengl3/main.c
@@ -146,7 +146,7 @@ main(int argc, char* argv[])
             nk_layout_row_dynamic(ctx, 20, 1);
             nk_label(ctx, "background:", NK_TEXT_LEFT);
             nk_layout_row_dynamic(ctx, 25, 1);
-            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
+            if (nk_combo_begin_color(ctx, &combo, background, nk_vec2(nk_widget_width(ctx),400))) {
                 nk_layout_row_dynamic(ctx, 120, 1);
                 background = nk_color_picker(ctx, background, NK_RGBA);
                 nk_layout_row_dynamic(ctx, 25, 1);
diff --git a/demo/x11_opengl2/main.c b/demo/x11_opengl2/main.c
index 8534a45..2a19d0c 100644
--- a/demo/x11_opengl2/main.c
+++ b/demo/x11_opengl2/main.c
@@ -274,7 +274,7 @@ int main(int argc, char **argv)
             nk_layout_row_dynamic(ctx, 20, 1);
             nk_label(ctx, "background:", NK_TEXT_LEFT);
             nk_layout_row_dynamic(ctx, 25, 1);
-            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
+            if (nk_combo_begin_color(ctx, &combo, background, nk_vec2(nk_widget_width(ctx),400))) {
                 nk_layout_row_dynamic(ctx, 120, 1);
                 background = nk_color_picker(ctx, background, NK_RGBA);
                 nk_layout_row_dynamic(ctx, 25, 1);
diff --git a/demo/x11_opengl3/main.c b/demo/x11_opengl3/main.c
index e85884b..7297b3a 100644
--- a/demo/x11_opengl3/main.c
+++ b/demo/x11_opengl3/main.c
@@ -271,7 +271,7 @@ int main(int argc, char **argv)
             nk_layout_row_dynamic(ctx, 20, 1);
             nk_label(ctx, "background:", NK_TEXT_LEFT);
             nk_layout_row_dynamic(ctx, 25, 1);
-            if (nk_combo_begin_color(ctx, &combo, background, 400)) {
+            if (nk_combo_begin_color(ctx, &combo, background, nk_vec2(nk_widget_width(ctx),400))) {
                 nk_layout_row_dynamic(ctx, 120, 1);
                 background = nk_color_picker(ctx, background, NK_RGBA);
                 nk_layout_row_dynamic(ctx, 25, 1);