diff --git a/rbc/external.py b/rbc/external.py
index 470fee6a..853c7c43 100644
--- a/rbc/external.py
+++ b/rbc/external.py
@@ -111,9 +111,10 @@ def match_signature(self, atypes):
 
         satypes = ", ".join(map(str, atypes))
         raise TypeError(
-            f"compile_target={compile_target}: found no matching function type to the given argument types"
-            f" `{satypes}` and device `{device}` while processing `{self.name}`."
-            f" Available function type is `{this_type}`."
+            f"compile_target={compile_target}: found no matching function type "
+            f"to the given argument types `{satypes}` and device `{device}` "
+            f"while processing `{self.name}`. Available function type is "
+            f"`{this_type}`."
         )
 
     def get_codegen(self):