diff --git a/src/git-sqlite.in b/src/git-sqlite.in
index d52b132..af6fc6e 100644
--- a/src/git-sqlite.in
+++ b/src/git-sqlite.in
@@ -51,10 +51,10 @@ prjCheck()
     local repo="$1"
     local db="$2"
 
-    # test if theres a .git directory
-    if [ ! -d "$repo/.git" ]
+    # test if theres a .git directory or file in the case of a submodule
+    if [ ! -d "$repo/.git" ] && [ ! -f "$repo/.git" ]
     then
-        printErr "'$repo' isn't the parent directory of a git repository"
+        printErr "'$repo' isn't the parent directory of a git repository or submodule"
         exit 1
     fi