diff --git a/workspace_tools/targets.py b/workspace_tools/targets.py
index e0446250ae..563a68f6fd 100644
--- a/workspace_tools/targets.py
+++ b/workspace_tools/targets.py
@@ -509,7 +509,7 @@ class NRF51822_OTA(Target):
         Target.__init__(self)
         self.core = "Cortex-M0"
         self.extra_labels = ["NORDIC", "NRF51822_MKIT", "MCU_NRF51822", "MCU_NORDIC_16K", "NRF51822"]
-        self.macros = ['TARGET_NRF51822']
+        self.macros = ['TARGET_NRF51822', 'TARGET_OTA_ENABLED']
         self.supported_toolchains = ["ARM", "GCC_ARM"]
         self.is_disk_virtual = True
 
@@ -549,7 +549,7 @@ class NRF51_DK_OTA(Target):
         Target.__init__(self)
         self.core = "Cortex-M0"
         self.extra_labels = ['NORDIC', 'MCU_NRF51822', 'MCU_NORDIC_32K', "NRF51_DK"]
-        self.macros = ['TARGET_NRF51822', 'TARGET_NRF51_DK']
+        self.macros = ['TARGET_NRF51822', 'TARGET_NRF51_DK', 'TARGET_OTA_ENABLED']
         self.supported_toolchains = ["ARM", "GCC_ARM"]
         self.is_disk_virtual = True