diff --git a/src/libCom/osi/os/RTEMS/osdThread.c b/src/libCom/osi/os/RTEMS/osdThread.c
index 5cb378fdc..ef40674a0 100644
--- a/src/libCom/osi/os/RTEMS/osdThread.c
+++ b/src/libCom/osi/os/RTEMS/osdThread.c
@@ -95,7 +95,7 @@ epicsShareFunc epicsThreadBooleanStatus epicsShareAPI epicsThreadLowestPriorityL
         *pPriorityJustAbove = newPriority;
         return epicsThreadBooleanStatusSuccess;
     }
-    return threadBoolStatusFail;
+    return epicsThreadBooleanStatusFail;
 }
 
 /*
@@ -110,7 +110,7 @@ epicsShareFunc epicsThreadBooleanStatus epicsShareAPI epicsThreadHighestPriority
         *pPriorityJustBelow = newPriority;
         return epicsThreadBooleanStatusSuccess;
     }
-    return threadBoolStatusFail;
+    return epicsThreadBooleanStatusFail;
 }
 
 #define ARCH_STACK_FACTOR 2
diff --git a/src/libCom/osi/os/WIN32/osdThread.c b/src/libCom/osi/os/WIN32/osdThread.c
index b094a83d6..036fddc7d 100644
--- a/src/libCom/osi/os/WIN32/osdThread.c
+++ b/src/libCom/osi/os/WIN32/osdThread.c
@@ -236,7 +236,7 @@ epicsShareFunc epicsThreadBooleanStatus epicsShareAPI epicsThreadLowestPriorityL
         status = epicsThreadBooleanStatusSuccess;
     }
     else {
-        status = threadBoolStatusFail;
+        status = epicsThreadBooleanStatusFail;
     }
     return status;
 }
@@ -255,7 +255,7 @@ epicsShareFunc epicsThreadBooleanStatus epicsShareAPI epicsThreadHighestPriority
         status = epicsThreadBooleanStatusSuccess;
     }
     else {
-        status = threadBoolStatusFail;
+        status = epicsThreadBooleanStatusFail;
     }
     return status;
 }