diff --git a/Makefile.power b/Makefile.power
index c7e972290..946f55232 100644
--- a/Makefile.power
+++ b/Makefile.power
@@ -10,9 +10,11 @@ USE_OPENMP = 1
 endif
 
 ifeq ($(CORE), POWER10)
+ifneq ($(C_COMPILER), PGI)
 CCOMMON_OPT += -Ofast -mcpu=power10 -mtune=power10 -mvsx -fno-fast-math
 FCOMMON_OPT += -O2 -frecursive -mcpu=power10 -mtune=power10  -fno-fast-math
 endif
+endif
 
 ifeq ($(CORE), POWER9)
 ifneq ($(C_COMPILER), PGI)