Fixing typo in Makefile.
Closes #742.
diff --git a/Makefile b/Makefile
index 278824a..ddae1ce 100644
--- a/Makefile
+++ b/Makefile
@@ -2081,7 +2081,7 @@
$(Q) $(INSTALL) etc/roots.pem $(prefix)/share/grpc/roots.pem
verify-install:
-ifeq ($(SYSTEM_OK),true)
+ifeq ($(INSTALL_OK),true)
@echo "Your system looks ready to go."
@echo
else
diff --git a/templates/Makefile.template b/templates/Makefile.template
index cd7eb23..4a496cf 100644
--- a/templates/Makefile.template
+++ b/templates/Makefile.template
@@ -830,7 +830,7 @@
$(Q) $(INSTALL) etc/roots.pem $(prefix)/share/grpc/roots.pem
verify-install:
-ifeq ($(SYSTEM_OK),true)
+ifeq ($(INSTALL_OK),true)
@echo "Your system looks ready to go."
@echo
else