diff --git a/Classes/BITCrashManager.h b/Classes/BITCrashManager.h
index c49d2a1041..769369df54 100644
--- a/Classes/BITCrashManager.h
+++ b/Classes/BITCrashManager.h
@@ -39,7 +39,7 @@ typedef enum {
   BITCrashManagerStatusAlwaysAsk = 1,
   BITCrashManagerStatusAutoSend = 2
 } BITCrashManagerStatus;
-static NSString *kBITCrashManagerStatus = @"BITCrashManagerStatus";
+extern NSString *const kBITCrashManagerStatus;
 
 
 @protocol BITCrashManagerDelegate;
diff --git a/Classes/BITCrashManager.m b/Classes/BITCrashManager.m
index 6f1f0da897..0783512f25 100644
--- a/Classes/BITCrashManager.m
+++ b/Classes/BITCrashManager.m
@@ -51,6 +51,8 @@
 #define kBITCrashMetaUserID @"BITCrashMetaUserID"
 #define kBITCrashMetaApplicationLog @"BITCrashMetaApplicationLog"
 
+NSString *const kBITCrashManagerStatus = @"BITCrashManagerStatus";
+
 
 @interface BITCrashManager ()
 
diff --git a/Classes/HockeySDK.h b/Classes/HockeySDK.h
index a47d61f1dc..cbc16cf676 100644
--- a/Classes/HockeySDK.h
+++ b/Classes/HockeySDK.h
@@ -58,8 +58,7 @@ typedef enum {
   BITCrashAPIReceivedEmptyResponse,
   BITCrashAPIErrorWithStatusCode
 } BITCrashErrorReason;
-static NSString *kBITCrashErrorDomain = @"BITCrashReporterErrorDomain";
-
+extern NSString *const kBITCrashErrorDomain;
 
 // Update App Versions
 
@@ -72,7 +71,7 @@ typedef enum {
   BITUpdateAPIClientAuthorizationMissingSecret,
   BITUpdateAPIClientCannotCreateConnection
 } BITUpdateErrorReason;
-static NSString *kBITUpdateErrorDomain = @"BITUpdaterErrorDomain";
+extern NSString *const kBITUpdateErrorDomain;
 
 
 // Update App Versions
@@ -86,7 +85,7 @@ typedef enum {
   BITFeedbackAPIClientAuthorizationMissingSecret,
   BITFeedbackAPIClientCannotCreateConnection
 } BITFeedbackErrorReason;
-static NSString *kBITFeedbackErrorDomain = @"BITFeedbackErrorDomain";
+extern NSString *const kBITFeedbackErrorDomain;
 
 
 // HockeySDK
@@ -96,7 +95,7 @@ typedef enum {
   BITHockeyErrorUnknown,
   HockeyAPIClientMissingJSONLibrary
 } BITHockeyErrorReason;
-static NSString *kBITHockeyErrorDomain = @"BITHockeyErrorDomain";
+NSString *kBITHockeyErrorDomain = @"BITHockeyErrorDomain";
 
 
 #endif
diff --git a/Classes/HockeySDKPrivate.m b/Classes/HockeySDKPrivate.m
index 2bcbf8edef..52c158d6a2 100644
--- a/Classes/HockeySDKPrivate.m
+++ b/Classes/HockeySDKPrivate.m
@@ -31,6 +31,9 @@
 #import "HockeySDKPrivate.h"
 #include <CommonCrypto/CommonDigest.h>
 
+NSString *const kBITCrashErrorDomain = @"BITCrashReporterErrorDomain";
+NSString *const kBITUpdateErrorDomain = @"BITUpdaterErrorDomain";
+NSString *const kBITFeedbackErrorDomain = @"BITFeedbackErrorDomain";
 
 // Load the framework bundle.
 NSBundle *BITHockeyBundle(void) {