diff --git a/git-flow-init b/git-flow-init
index ffc9e96..1408a9a 100644
--- a/git-flow-init
+++ b/git-flow-init
@@ -61,7 +61,7 @@
 		if [ "$branch_count" -eq 0 ]; then
 			echo "No branches exist yet. Base branches must be created now."
 			should_check_existence=NO
-			default_suggestion=master
+			default_suggestion=$(git config --get gitflow.branch.master || echo master)
 		else
 			echo
 			echo "Which branch should be used for bringing forth production releases?"
@@ -69,7 +69,8 @@
 
 			should_check_existence=YES
 			default_suggestion=
-			for guess in 'production' 'main' 'master'; do
+			for guess in $(git config --get gitflow.branch.master) \
+			             'production' 'main' 'master'; do
 				if git_local_branch_exists "$guess"; then
 					default_suggestion="$guess"
 					break
@@ -103,7 +104,7 @@
 		branch_count=$(git_local_branches | grep -v "^${master_branch}\$" | wc -l)
 		if [ "$branch_count" -eq 0 ]; then
 			should_check_existence=NO
-			default_suggestion=develop
+			default_suggestion=$(git config --get gitflow.branch.develop || echo develop)
 		else
 			echo
 			echo "Which branch should be used for integration of the \"next release\"?"
@@ -111,7 +112,8 @@
 
 			should_check_existence=YES
 			default_suggestion=
-			for guess in 'develop' 'int' 'integration' 'master'; do
+			for guess in $(git config --get gitflow.branch.develop) \
+			             'develop' 'int' 'integration' 'master'; do
 				if git_local_branch_exists "$guess"; then
 					default_suggestion="$guess"
 					break
@@ -174,8 +176,15 @@
 	fi
 
 	# finally, ask the user for naming conventions (branch and tag prefixes)
-	echo
-	echo "How to name your supporting branch prefixes?"
+	if flag force || \
+	   ! git config --get gitflow.prefix.feature >/dev/null 2>&1 || 
+	   ! git config --get gitflow.prefix.release >/dev/null 2>&1 || 
+	   ! git config --get gitflow.prefix.hotfix >/dev/null 2>&1 || 
+	   ! git config --get gitflow.prefix.support >/dev/null 2>&1 || 
+	   ! git config --get gitflow.prefix.versiontag >/dev/null 2>&1; then
+		echo
+		echo "How to name your supporting branch prefixes?"
+	fi
 
 	local prefix