diff --git a/Makefile b/Makefile
index d4bf694..8e1faf3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,11 @@
 GIT_EXEC_PATH=/usr/libexec/git-core
 
+all:
+	@echo "There is only one target here: install"
+	@echo "This message is deliberately inserted here to prevent accidental installation."
+	@echo ""
+	@echo "Use 'make install' explicitly to install git-flow."
+
 install:
 	install -m 0755 -t $(GIT_EXEC_PATH) git-flow
 	install -m 0644 -t $(GIT_EXEC_PATH) \