diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba0a86d40c373e3d9eb13b2328c1e4da59fed236..70bc31d659ff77e0cf21868ae9425ce16f7ba5e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ Version 1.0.2 (under development)
   * Fixed bug with wrong type of free variables in the intermediate language.
   * Fixed bug with generated default implementations of nullary class methods.
   * Fixed bug in desugaring of record patterns.
+  * Fixed bug that external data declarations weren't considered when
+    AbstractCurry was generated
 
 Version 1.0.1
 =============
diff --git a/src/Generators/GenAbstractCurry.hs b/src/Generators/GenAbstractCurry.hs
index 0420ca3b0ecbaff7469f7db45415a4e7e9c59be6..833a9fbafdd41c0f0edb17a6cbb53283a2984ae2 100644
--- a/src/Generators/GenAbstractCurry.hs
+++ b/src/Generators/GenAbstractCurry.hs
@@ -150,6 +150,9 @@ trTypeDecl (NewtypeDecl _ t vs nc clss) =
   <$> trGlobalIdent t <*> getTypeVisibility t
   <*> mapM genTVarIndex vs <*> trNewConsDecl nc
   <*> mapM trQual clss
+trTypeDecl (ExternalDataDecl _ t vs) =
+  (\t' v vs' -> [CType t' v vs' [] []])
+  <$> trGlobalIdent t <*> getTypeVisibility t <*> mapM genTVarIndex vs
 trTypeDecl _                       = return []
 
 trConsDecl :: ConstrDecl -> GAC CConsDecl