diff --git a/configure/CONFIG_COMMON b/configure/CONFIG_COMMON
index fa5b82bed..8b2970586 100644
--- a/configure/CONFIG_COMMON
+++ b/configure/CONFIG_COMMON
@@ -255,6 +255,13 @@ COMMANDLINE_LIBRARY = EPICS
 OP_SYS_LDLIBS += $(LDLIBS_$(COMMANDLINE_LIBRARY))
 OP_SYS_LDFLAGS += $(LDFLAGS_$(COMMANDLINE_LIBRARY))
 
+#--------------------------------------------------
+# POSIX thread priority scheduling flag
+
+ifeq (USE_POSIX_THREAD_PRIORITY_SCHEDULING,NO)
+THREAD_CPPFLAGS_YES += -DDONT_USE_POSIX_THREAD_PRIORITY_SCHEDULING
+endif
+
 #--------------------------------------------------
 # Flags