diff --git a/TODO b/TODO
index d77ae61b..c982b9b4 100644
--- a/TODO
+++ b/TODO
@@ -65,6 +65,8 @@ FORMAT TMT/ADAM
 FORMAT WATCOM/LE
 ================
 
+- handle files without relocations
+
 - the decompressors are already aligned, no need for an
     extra alignment
 
diff --git a/src/p_wcle.cpp b/src/p_wcle.cpp
index f7482252..9692e4ad 100644
--- a/src/p_wcle.cpp
+++ b/src/p_wcle.cpp
@@ -274,6 +274,12 @@ void PackWcle::preprocessFixups()
     for (ic = jc = 0; ic < objects; ic++)
         jc += counts[ic];
 
+    if (jc == 0)
+    {
+        // FIXME: implement this
+        thowCantPack("files without relocations are not supported");
+    }
+
     ByteArray(rl, jc);
     ByteArray(srf, counts[objects+0]+1);
     ByteArray(slf, counts[objects+1]+1);