diff --git a/configure/os/CONFIG.Common.vxWorksCommon b/configure/os/CONFIG.Common.vxWorksCommon
index 1843791d2..696232556 100644
--- a/configure/os/CONFIG.Common.vxWorksCommon
+++ b/configure/os/CONFIG.Common.vxWorksCommon
@@ -25,6 +25,7 @@ MUNCH_SUFFIX = .munch
 
 #-------------------------------------------------------
 # Compiler definitions
+CMPLR_PREFIX=
 CC = $(GNU_BIN)/$(CMPLR_PREFIX)cc$(CMPLR_SUFFIX)
 CCC = $(GNU_BIN)/$(CMPLR_PREFIX)cc$(CMPLR_SUFFIX)