diff --git a/ChangeLog.txt b/ChangeLog.txt
index c2f26445b..505f22f90 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,4 +1,5 @@
 # Version 0.4.3
+- Fixed UI bug. Release a dialog size for deploying a formula field.
 - Fixed broken formula when for system locale thousand separator is a space.
 - Using QGraphicsScene instead of VMainGraphicsScene caused a crash.
 - Fixed bug disabling tool True darts.
diff --git a/src/libs/vtools/dialogs/tools/dialogtool.cpp b/src/libs/vtools/dialogs/tools/dialogtool.cpp
index 4fd22ed37..0de7f4718 100644
--- a/src/libs/vtools/dialogs/tools/dialogtool.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogtool.cpp
@@ -543,6 +543,12 @@ void DialogTool::DeployFormula(QPlainTextEdit *formula, QPushButton *buttonGrowL
 
     const QTextCursor cursor = formula->textCursor();
 
+    //Before deploy ned to release dialog size
+    //I don't know why, but don't need to fixate again.
+    //A dialog will be lefted fixated. That's what we need.
+    setMaximumSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
+    setMinimumSize(QSize(0, 0));
+
     if (formula->height() < DIALOG_MAX_FORMULA_HEIGHT)
     {
         formula->setFixedHeight(DIALOG_MAX_FORMULA_HEIGHT);