diff --git a/headers/os/interface/Slider.h b/headers/os/interface/Slider.h
index 5f28d3d1a8..225679b89a 100644
--- a/headers/os/interface/Slider.h
+++ b/headers/os/interface/Slider.h
@@ -201,7 +201,7 @@ private:
 
 			char*				fMinLimitLabel;
 			char*				fMaxLimitLabel;
-			const char*			fUpdateText;
+			char*				fUpdateText;
 
 			int32 				fMinValue;
 			int32 				fMaxValue;
diff --git a/src/kits/interface/Slider.cpp b/src/kits/interface/Slider.cpp
index 270239d70a..b53a56a45c 100644
--- a/src/kits/interface/Slider.cpp
+++ b/src/kits/interface/Slider.cpp
@@ -208,6 +208,7 @@ BSlider::~BSlider()
 #endif
 
 	delete fModificationMessage;
+	free(fUpdateText);
 	free(fMinLimitLabel);
 	free(fMaxLimitLabel);
 }
@@ -1054,7 +1055,9 @@ BSlider::UpdateTextChanged()
 		oldWidth = StringWidth(fUpdateText);
 
 	const char* oldUpdateText = fUpdateText;
-	fUpdateText = UpdateText();
+	free(fUpdateText);
+
+	fUpdateText = strdup(UpdateText());
 	bool updateTextOnOff = (fUpdateText == NULL && oldUpdateText != NULL)
 		|| (fUpdateText != NULL && oldUpdateText == NULL);