diff --git a/tools/export/atmelstudio.py b/tools/export/atmelstudio.py
index 895d92ea30..f85a047b64 100644
--- a/tools/export/atmelstudio.py
+++ b/tools/export/atmelstudio.py
@@ -33,7 +33,7 @@ class AtmelStudio(Exporter):
 
     DOT_IN_RELATIVE_PATH = True
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     def generate(self):
 
diff --git a/tools/export/codered.py b/tools/export/codered.py
index 374cc2a89b..d7f815a827 100644
--- a/tools/export/codered.py
+++ b/tools/export/codered.py
@@ -22,7 +22,7 @@ class CodeRed(Exporter):
     NAME = 'CodeRed'
     TOOLCHAIN = 'GCC_CR'
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     TARGETS = [
         'LPC1768',
diff --git a/tools/export/emblocks.py b/tools/export/emblocks.py
index 94b2ddeb9c..a5f20d2c9d 100644
--- a/tools/export/emblocks.py
+++ b/tools/export/emblocks.py
@@ -31,7 +31,7 @@ class IntermediateFile(Exporter):
     # we support all GCC targets (is handled on IDE side)
     TARGETS = gccTargets
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     FILE_TYPES = {
         'headers': 'h',
diff --git a/tools/export/exporters.py b/tools/export/exporters.py
index 84fe16814a..da060a020d 100644
--- a/tools/export/exporters.py
+++ b/tools/export/exporters.py
@@ -172,7 +172,7 @@ class Exporter(object):
         self.resources = config.load_resources(resources)
 
 
-        if hasattr(self, "MBED_CONF_ACTIVE") and self.MBED_CONF_ACTIVE :
+        if hasattr(self, "MBED_CONFIG_HEADER_SUPPORTED") and self.MBED_CONFIG_HEADER_SUPPORTED :
             # Add the configuration file to the target directory
             self.config_header = self.toolchain.MBED_CONFIG_FILE_NAME
             config.get_config_data_header(join(trg_path, self.config_header))
diff --git a/tools/export/gccarm.py b/tools/export/gccarm.py
index da7ee7d2fd..b06e6149d5 100644
--- a/tools/export/gccarm.py
+++ b/tools/export/gccarm.py
@@ -121,7 +121,7 @@ class GccArm(Exporter):
 
     DOT_IN_RELATIVE_PATH = True
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     def generate(self):
         # "make" wants Unix paths
diff --git a/tools/export/iar.py b/tools/export/iar.py
index 3c7098e0a0..89ec51351a 100644
--- a/tools/export/iar.py
+++ b/tools/export/iar.py
@@ -33,7 +33,7 @@ class IAREmbeddedWorkbench(Exporter):
     # PROGEN_ACTIVE contains information for exporter scripts that this is using progen
     PROGEN_ACTIVE = True
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     # backward compatibility with our scripts
     TARGETS = []
diff --git a/tools/export/simplicityv3.py b/tools/export/simplicityv3.py
index aeda08310f..3254152127 100644
--- a/tools/export/simplicityv3.py
+++ b/tools/export/simplicityv3.py
@@ -101,7 +101,7 @@ class SimplicityV3(Exporter):
 
     DOT_IN_RELATIVE_PATH = False
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     orderedPaths = Folder("Root")
 
diff --git a/tools/export/uvision4.py b/tools/export/uvision4.py
index e2ae9238bb..a1432f7cef 100644
--- a/tools/export/uvision4.py
+++ b/tools/export/uvision4.py
@@ -34,7 +34,7 @@ class Uvision4(Exporter):
     # PROGEN_ACTIVE contains information for exporter scripts that this is using progen
     PROGEN_ACTIVE = True
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     # backward compatibility with our scripts
     TARGETS = []
diff --git a/tools/export/uvision5.py b/tools/export/uvision5.py
index 3426b8f4a9..fafbc94ae3 100644
--- a/tools/export/uvision5.py
+++ b/tools/export/uvision5.py
@@ -34,7 +34,7 @@ class Uvision5(Exporter):
     # PROGEN_ACTIVE contains information for exporter scripts that this is using progen
     PROGEN_ACTIVE = True
 
-    MBED_CONF_ACTIVE = True
+    MBED_CONFIG_HEADER_SUPPORTED = True
 
     # backward compatibility with our scripts
     TARGETS = []