diff --git a/v1-dev/derivative.json b/v1-dev/derivative.json
index 13aed26a..bc2f1d9e 100644
--- a/v1-dev/derivative.json
+++ b/v1-dev/derivative.json
@@ -61,7 +61,8 @@
     },
     "ccr_approach": {
       "description": "Specifies the approved counterparty credit risk methodology for calculating exposures.",
-    "enum": ["imm", "oem", "sa", "ssa"]
+      "type": "string",
+      "enum": ["imm", "oem", "sa", "ssa"]
     },
     "cost_center_code": {
       "description": "The organizational unit or sub-unit to which costs/profits are booked.",
diff --git a/v1-dev/security.json b/v1-dev/security.json
index 53f59264..6bdc7b0a 100644
--- a/v1-dev/security.json
+++ b/v1-dev/security.json
@@ -102,7 +102,8 @@
     },
     "ccr_approach": {
       "description": "Specifies the approved counterparty credit risk methodology for calculating exposures.",
-    "enum": ["imm", "oem", "sa", "ssa"]
+      "type": "string",
+      "enum": ["imm", "oem", "sa", "ssa"]
     },
     "cost_center_code": {
       "description": "The organizational unit or sub-unit to which costs/profits are booked.",