diff --git a/share/qtcreator/themes/dark.creatortheme b/share/qtcreator/themes/dark.creatortheme
index e145ffa9fbe..0923cb1f529 100644
--- a/share/qtcreator/themes/dark.creatortheme
+++ b/share/qtcreator/themes/dark.creatortheme
@@ -66,6 +66,7 @@ ProgressBarColorError=error
 ProgressBarColorFinished=ff5aaa3c
 ProgressBarColorNormal=hoverBackground
 ProgressBarTitleColor=text
+SplitterColor=ffb0b0b0
 TextColorDisabled=textDisabled
 TextColorHighlight=ffff0000
 TextColorNormal=text
diff --git a/share/qtcreator/themes/default.creatortheme b/share/qtcreator/themes/default.creatortheme
index a357183fe2a..73c7ad086fb 100644
--- a/share/qtcreator/themes/default.creatortheme
+++ b/share/qtcreator/themes/default.creatortheme
@@ -60,6 +60,7 @@ ProgressBarColorError=d2ff3c00
 ProgressBarColorFinished=ff5aaa3c
 ProgressBarColorNormal=b4ffffff
 ProgressBarTitleColor=ffffffff
+SplitterColor=ff151515
 TextColorDisabled=ff000000
 TextColorHighlight=ffa0a0a4
 TextColorNormal=ff000000
diff --git a/src/libs/utils/theme/theme.h b/src/libs/utils/theme/theme.h
index 3cc97241db2..a30d175da29 100644
--- a/src/libs/utils/theme/theme.h
+++ b/src/libs/utils/theme/theme.h
@@ -114,6 +114,7 @@ public:
         ProgressBarColorFinished,
         ProgressBarColorNormal,
         ProgressBarTitleColor,
+        SplitterColor,
         TextColorDisabled,
         TextColorHighlight,
         TextColorNormal,
diff --git a/src/plugins/coreplugin/manhattanstyle.cpp b/src/plugins/coreplugin/manhattanstyle.cpp
index 3b917c36dac..52074ffc575 100644
--- a/src/plugins/coreplugin/manhattanstyle.cpp
+++ b/src/plugins/coreplugin/manhattanstyle.cpp
@@ -620,7 +620,7 @@ void ManhattanStyle::drawControl(ControlElement element, const QStyleOption *opt
     switch (element) {
     case CE_Splitter:
         if (creatorTheme()->widgetStyle() == Theme::StyleFlat)
-            painter->fillRect(option->rect, creatorTheme()->color(Theme::BackgroundColorSelected));
+            painter->fillRect(option->rect, creatorTheme()->color(Theme::SplitterColor));
         else
             painter->fillRect(option->rect, StyleHelper::borderColor());
         break;