diff --git a/src/lang/danish.txt b/src/lang/danish.txt
index 46cd3ea579..3ed790d08b 100644
--- a/src/lang/danish.txt
+++ b/src/lang/danish.txt
@@ -1,6 +1,6 @@
 ##name Danish
 ##ownname Dansk
-##isocode da_DA
+##isocode da_DK
 ##plural 0
 ##textdir ltr
 ##digitsep .
diff --git a/src/lang/estonian.txt b/src/lang/estonian.txt
index b985651207..30dcea88c8 100644
--- a/src/lang/estonian.txt
+++ b/src/lang/estonian.txt
@@ -1,6 +1,6 @@
 ##name Estonian
 ##ownname Eesti keel
-##isocode et_ET
+##isocode et_EE
 ##plural 0
 ##textdir ltr
 ##digitsep .