diff --git a/src/Juvix/Compiler/Concrete/Translation/ImportScanner/FlatParse.hs b/src/Juvix/Compiler/Concrete/Translation/ImportScanner/FlatParse.hs
index f39c42d0d1..9ca6e710fe 100644
--- a/src/Juvix/Compiler/Concrete/Translation/ImportScanner/FlatParse.hs
+++ b/src/Juvix/Compiler/Concrete/Translation/ImportScanner/FlatParse.hs
@@ -12,7 +12,10 @@ import Juvix.Prelude.FlatParse qualified as FP
 import Juvix.Prelude.FlatParse.Lexer qualified as L
 
 scanBSImports :: Path Abs File -> ByteString -> Maybe ScanResult
-scanBSImports fp = fromResult . scanner fp
+scanBSImports fp
+  -- FlatParse only supports .juvix files
+  | isJuvixFile fp = fromResult . scanner fp
+  | otherwise = const Nothing
   where
     fromResult :: Result () ok -> Maybe ok
     fromResult = \case
diff --git a/tests/positive/Markdown/Test.juvix.md b/tests/positive/Markdown/Test.juvix.md
index 12698dd12c..aeb24dfa7e 100644
--- a/tests/positive/Markdown/Test.juvix.md
+++ b/tests/positive/Markdown/Test.juvix.md
@@ -1,5 +1,7 @@
 # Example
 
+What is important is seldom urgent. 
+
 A Juvix Markdown file name ends with `.juvix.md`. This kind of file must contain
 a module declaration at the top, as shown below ---in the first code block. 
 
diff --git a/tests/positive/Markdown/markdown/Test.md b/tests/positive/Markdown/markdown/Test.md
index d4c15f200e..e816efa3c5 100644
--- a/tests/positive/Markdown/markdown/Test.md
+++ b/tests/positive/Markdown/markdown/Test.md
@@ -1,5 +1,7 @@
 # Example
 
+What is important is seldom urgent.
+
 A Juvix Markdown file name ends with `.juvix.md`. This kind of file must contain
 a module declaration at the top, as shown below ---in the first code block.