diff --git a/src/widgets/progressbar.cpp b/src/widgets/progressbar.cpp
index 2e34bfc..d2fca4f 100644
--- a/src/widgets/progressbar.cpp
+++ b/src/widgets/progressbar.cpp
@@ -8,8 +8,8 @@
 #include "tftcolors.h"
 
 namespace espgui {
-ProgressBar::ProgressBar(int x, int y, int width, int height, int min, int max, uint32_t color) :
-    m_x{x}, m_y{y}, m_width{width}, m_height{height}, m_min{min}, m_max{max}, m_color{color}
+ProgressBar::ProgressBar(int x, int y, int width, int height, int min, int max, uint32_t color, uint32_t backgroundColor) :
+    m_x{x}, m_y{y}, m_width{width}, m_height{height}, m_min{min}, m_max{max}, m_color{color}, m_backgroundColor{backgroundColor}
 {
 }
 
@@ -17,6 +17,7 @@ void ProgressBar::start(TftInterface &tft)
 {
     m_lastValue = m_x+1;
     tft.drawRect(m_x, m_y, m_width, m_height, TFT_WHITE);
+    tft.fillRect(m_x+1, m_y+1, m_width-2, m_height-2, m_backgroundColor);
 }
 
 void ProgressBar::redraw(TftInterface &tft, int value)
@@ -24,7 +25,7 @@ void ProgressBar::redraw(TftInterface &tft, int value)
     value = cpputils::mapValueClamped(value, m_min, m_max, m_x+1, m_x+m_width-1);
 
     if (value < m_lastValue)
-        tft.fillRect(value, m_y+1, m_lastValue-value, m_height-2, TFT_BLACK);
+        tft.fillRect(value, m_y+1, m_lastValue-value, m_height-2, m_backgroundColor);
     else if (value > m_lastValue)
         tft.fillRect(m_lastValue, m_y+1, value-m_lastValue, m_height-2, m_color);
 
diff --git a/src/widgets/progressbar.h b/src/widgets/progressbar.h
index fb2881a..009046e 100644
--- a/src/widgets/progressbar.h
+++ b/src/widgets/progressbar.h
@@ -16,7 +16,7 @@ namespace espgui {
 class ProgressBar
 {
 public:
-    ProgressBar(int x, int y, int width, int height, int min, int max, uint32_t color = TFT_YELLOW);
+    ProgressBar(int x, int y, int width, int height, int min, int max, uint32_t color = TFT_YELLOW, uint32_t backgroundColor = TFT_BLACK);
 
     void start(TftInterface &tft);
     void redraw(TftInterface &tft, int value);
@@ -29,6 +29,7 @@ private:
     const int m_min;
     const int m_max;
     const uint32_t m_color;
+    const uint32_t m_backgroundColor;
 
     int m_lastValue{};
 };