diff --git a/platypus.mk b/platypus.mk
index a20aad62..f99c8276 100644
--- a/platypus.mk
+++ b/platypus.mk
@@ -1,7 +1,11 @@
 MFEM_DIR			:=$(APPLICATION_DIR)/../mfem/build
 
 include $(MFEM_DIR)/config/config.mk
-MFEM_INCLUDES 		:= -I$(MFEM_INC_DIR)/config -I$(MFEM_DIR)/ -I$(MFEM_DIR)/../miniapps/common $(MFEM_INCFLAGS)
+
+# Remove cmake CXX flags
+NEW_MFEM_INCFLAGS = $(shell echo "$(MFEM_INCFLAGS)" | sed -E 's/COMPILE_LANGUAGE:CXX>:SHELL:[^>]*>//g')
+
+MFEM_INCLUDES 		:= -I$(MFEM_INC_DIR)/config -I$(MFEM_DIR)/ -I$(MFEM_DIR)/../miniapps/common $(NEW_MFEM_INCFLAGS)
 MFEM_LIBS 			:= -L$(MFEM_DIR) -lmfem -lrt -L$(MFEM_DIR)/miniapps/common -lmfem-common $(MFEM_LIB)
 
 ADDITIONAL_INCLUDES += $(MFEM_INCLUDES)