--- a/Makefile	
+++ a/Makefile	
@@ -43,7 +43,6 @@ SCRIPT_FILES+=git-flow-version
 SCRIPT_FILES+=git-flow-log
 SCRIPT_FILES+=git-flow-config
 SCRIPT_FILES+=gitflow-common
-SCRIPT_FILES+=gitflow-shFlags
 
 # Hook files
 HOOK_FILES=$(wildcard hooks/*)
--- a/git-flow	
+++ a/git-flow	
@@ -111,7 +111,7 @@ main() {
 	fi
 
 	# Use the shFlags project to parse the command line arguments
-	. "$GITFLOW_DIR/gitflow-shFlags"
+	. /usr/share/misc/shflags
 	FLAGS_PARENT="git flow"
 
 	# Load common functionality