diff --git a/WINGs/userdefaults.c b/WINGs/userdefaults.c
index 92f4e0f3..65ed0991 100644
--- a/WINGs/userdefaults.c
+++ b/WINGs/userdefaults.c
@@ -591,7 +591,7 @@ void WMSetUDFloatForKey(WMUserDefaults * database, float value, const char *defa
 	WMPropList *object;
 	char buffer[128];
 
-	sprintf(buffer, "%f", value);
+	sprintf(buffer, "%f", (double)value);
 	object = WMCreatePLString(buffer);
 
 	WMSetUDObjectForKey(database, object, defaultName);
diff --git a/WINGs/wbrowser.c b/WINGs/wbrowser.c
index 04756113..d49ce1f9 100644
--- a/WINGs/wbrowser.c
+++ b/WINGs/wbrowser.c
@@ -565,7 +565,7 @@ static void scrollCallback(WMWidget * scroller, void *self)
 
 			floatValue = (floatValue * value) / value;
 
-			newFirst = rint(floatValue * (float)(bPtr->columnCount - bPtr->maxVisibleColumns));
+			newFirst = rint(floatValue * (double)(bPtr->columnCount - bPtr->maxVisibleColumns));
 
 			if (bPtr->firstVisibleColumn != newFirst)
 				scrollToColumn(bPtr, newFirst, False);
diff --git a/WPrefs.app/MouseSettings.c b/WPrefs.app/MouseSettings.c
index 7859f147..528f6950 100644
--- a/WPrefs.app/MouseSettings.c
+++ b/WPrefs.app/MouseSettings.c
@@ -301,7 +301,7 @@ static void showData(_Panel * panel)
 	WMSetSliderValue(panel->speedS, (accel - 0.25F) / 0.25F);
 
 	panel->acceleration = accel;
-	sprintf(buffer, "%.2f", accel);
+	sprintf(buffer, "%.2f", (double)accel);
 	WMSetTextFieldText(panel->acceT, buffer);
 
 	 /**/ b = GetIntegerForKey("DoubleClickTime");