diff --git a/ChangeLog.txt b/ChangeLog.txt
index 6e240a2fe..1a9f6e1af 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,5 +1,6 @@
 # Version 0.7.45 (unreleased)
 - Fix incorrect seam allowance for angle type second edge right angle.
+- Fix regression with country flags.
 
 # Version 0.7.44 Feb 9, 2021
 - Placeholder %size% has incorrect value.
diff --git a/src/libs/vmisc/def.cpp b/src/libs/vmisc/def.cpp
index 19e4e4641..5ad4789a9 100644
--- a/src/libs/vmisc/def.cpp
+++ b/src/libs/vmisc/def.cpp
@@ -623,7 +623,8 @@ void InitLanguages(QComboBox *combobox)
 
         QLocale loc = QLocale(locale);
         QString lang = loc.nativeLanguageName();
-        QIcon ico(QString("%1/%2.png").arg("://flags", QLocale::countryToString(loc.country())));
+        // Since Qt 5.12 country names have spaces
+        QIcon ico(QString("://flags/%1.png").arg(QLocale::countryToString(loc.country()).remove(' ')));
 
         combobox->addItem(ico, lang, locale);
     }
@@ -631,7 +632,8 @@ void InitLanguages(QComboBox *combobox)
     if (combobox->count() == 0 || not englishUS)
     {
         // English language is internal and doens't have own *.qm file.
-        QIcon ico(QString("%1/%2.png").arg("://flags", QLocale::countryToString(QLocale::UnitedStates)));
+        // Since Qt 5.12 country names have spaces
+        QIcon ico(QString("://flags/%1.png").arg(QLocale::countryToString(QLocale::UnitedStates).remove(' ')));
         QString lang = QLocale(en_US).nativeLanguageName();
         combobox->addItem(ico, lang, en_US);
     }