diff --git a/lib/eq/dsl/parser.ex b/lib/eq/dsl/parser.ex
index 85fcc152..1596365a 100644
--- a/lib/eq/dsl/parser.ex
+++ b/lib/eq/dsl/parser.ex
@@ -95,6 +95,7 @@ defmodule Funx.Eq.Dsl.Parser do
       {:__aliases__, meta, _} = module_alias ->
         # Try to parse as behaviour module
         expanded_module = Macro.expand(module_alias, caller_env)
+        Code.ensure_compiled(expanded_module)
 
         if function_exported?(expanded_module, :eq, 1) do
           parse_bare_behaviour_module(module_alias, [], meta, caller_env)
@@ -114,6 +115,7 @@ defmodule Funx.Eq.Dsl.Parser do
   # Parses a bare behaviour module reference into a Step node.
   defp parse_bare_behaviour_module(module_alias, opts, meta, caller_env) do
     expanded_module = Macro.expand(module_alias, caller_env)
+    Code.ensure_compiled(expanded_module)
 
     unless function_exported?(expanded_module, :eq, 1) do
       raise CompileError,
@@ -366,6 +368,7 @@ defmodule Funx.Eq.Dsl.Parser do
     end
 
     expanded_module = Macro.expand(module_alias, caller_env)
+    Code.ensure_compiled(expanded_module)
 
     cond do
       function_exported?(expanded_module, :eq?, 2) ->
diff --git a/lib/ord/dsl/parser.ex b/lib/ord/dsl/parser.ex
index b78eca0c..606c4915 100644
--- a/lib/ord/dsl/parser.ex
+++ b/lib/ord/dsl/parser.ex
@@ -293,6 +293,7 @@ defmodule Funx.Ord.Dsl.Parser do
     end
 
     expanded_module = Macro.expand(module_alias, caller_env)
+    Code.ensure_compiled(expanded_module)
 
     cond do
       function_exported?(expanded_module, :lt?, 2) ->
diff --git a/lib/predicate/dsl/parser.ex b/lib/predicate/dsl/parser.ex
index 8e6dd25b..ff0e55ae 100644
--- a/lib/predicate/dsl/parser.ex
+++ b/lib/predicate/dsl/parser.ex
@@ -145,6 +145,7 @@ defmodule Funx.Predicate.Dsl.Parser do
       {:__aliases__, meta, _} = module_alias ->
         # Try to parse as behaviour module
         expanded_module = Macro.expand(module_alias, caller_env)
+        Code.ensure_compiled(expanded_module)
 
         if function_exported?(expanded_module, :pred, 1) do
           parse_behaviour_module(module_alias, [], meta, caller_env)
@@ -163,6 +164,7 @@ defmodule Funx.Predicate.Dsl.Parser do
 
   defp parse_behaviour_module(module_alias, opts, meta, caller_env) do
     expanded_module = Macro.expand(module_alias, caller_env)
+    Code.ensure_compiled(expanded_module)
 
     unless function_exported?(expanded_module, :pred, 1) do
       raise CompileError,