diff --git a/Makefile b/Makefile
index 47c80bc095d0f8c27b96688e6e2d02bd87ba8ba2..77eff16feeb751108951970d5222a9bb5e01ad75 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 include ${FSLCONFDIR}/default.mk
 
 OPTFLAGS = -O3 -Wno-deprecated 
-OPTFLAGS_alphaev6-dec-osf 5.0-gcc2.95.2 = -O3 -mieee -mfp-trap-mode=sui
+OPTFLAGS_alphaev6-dec-osf5.0-gcc2.95.2 = -O3 -mieee -mfp-trap-mode=sui
 
 PROJNAME = melodic