diff --git a/imagrc.toml b/imagrc.toml
index 37023ac3..ed6570e2 100644
--- a/imagrc.toml
+++ b/imagrc.toml
@@ -46,6 +46,9 @@ aspect = "vcs"
 # error and abort the store action.
 abort_on_repo_init_failure = true
 
+# Ensure to be on this branche before doing anything.
+ensure_branch = "master"
+
 [store.hooks.stdhook_git_retrieve]
 aspect = "vcs"
 
@@ -54,6 +57,9 @@ aspect = "vcs"
 # error and abort the store action.
 abort_on_repo_init_failure = true
 
+# Ensure to be on this branche before doing anything.
+ensure_branch = "master"
+
 [store.hooks.stdhook_git_delete]
 aspect = "vcs"
 
@@ -62,6 +68,9 @@ aspect = "vcs"
 # error and abort the store action.
 abort_on_repo_init_failure = true
 
+# Ensure to be on this branche before doing anything.
+ensure_branch = "master"
+
 [store.hooks.stdhook_git_update]
 aspect = "vcs"
 
@@ -70,3 +79,6 @@ aspect = "vcs"
 # error and abort the store action.
 abort_on_repo_init_failure = true
 
+# Ensure to be on this branche before doing anything.
+ensure_branch = "master"
+