diff --git a/Makefile.system b/Makefile.system
index 142cb420f..3a3e9f510 100644
--- a/Makefile.system
+++ b/Makefile.system
@@ -433,7 +433,7 @@ CCOMMON_OPT    += -fopenmp
 endif
 
 ifeq ($(C_COMPILER), INTEL)
-CCOMMON_OPT    += -openmp
+CCOMMON_OPT    += -fopenmp
 endif
 
 ifeq ($(C_COMPILER), PGI)