diff --git a/src/columns/ColID.cpp b/src/columns/ColID.cpp
index 03c976960..f014cc521 100644
--- a/src/columns/ColID.cpp
+++ b/src/columns/ColID.cpp
@@ -37,7 +37,6 @@ extern Context context;
 ColumnID::ColumnID ()
 {
   _name       = "id";
-  _type       = "numeric";
   _style      = "number";
   _label      = STRING_COLUMN_LABEL_ID;
   _modifiable = false;
diff --git a/src/columns/ColIMask.cpp b/src/columns/ColIMask.cpp
index 028dba794..59bb60510 100644
--- a/src/columns/ColIMask.cpp
+++ b/src/columns/ColIMask.cpp
@@ -37,7 +37,6 @@ extern Context context;
 ColumnIMask::ColumnIMask ()
 {
   _name       = "imask";
-  _type       = "numeric";
   _style      = "number";
   _label      = STRING_COLUMN_LABEL_MASK_IDX;
   _modifiable = false;
diff --git a/src/columns/ColTypeNumeric.cpp b/src/columns/ColTypeNumeric.cpp
index 51b6dc6db..2ab8318a2 100644
--- a/src/columns/ColTypeNumeric.cpp
+++ b/src/columns/ColTypeNumeric.cpp
@@ -30,6 +30,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 ColumnTypeNumeric::ColumnTypeNumeric ()
 {
+  _type = "numeric";
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/src/columns/ColUrgency.cpp b/src/columns/ColUrgency.cpp
index dc47bce3e..f6a7de1a7 100644
--- a/src/columns/ColUrgency.cpp
+++ b/src/columns/ColUrgency.cpp
@@ -36,7 +36,6 @@ extern Context context;
 ColumnUrgency::ColumnUrgency ()
 {
   _name     = "urgency";
-  _type     = "numeric";
   _style    = "real";
   _label    = STRING_COLUMN_LABEL_URGENCY;
   _styles   = {"real", "integer"};