diff --git a/src/test/java/io/github/astrarre/sfu/test/RemappingTests.java b/src/test/java/io/github/astrarre/sfu/test/RemappingTests.java
index 3e3676c..dadf99c 100644
--- a/src/test/java/io/github/astrarre/sfu/test/RemappingTests.java
+++ b/src/test/java/io/github/astrarre/sfu/test/RemappingTests.java
@@ -32,6 +32,7 @@ public RemappingTests() throws IOException {
     @ValueSource(strings = {
             "fields",
             "verbatim",
+            "move_external_class_simple",
     })
     public void remap(String testCase) throws IOException {
         Path original = originals.resolve(testCase);
diff --git a/src/test/resources/classpath/move_external_class_simple.jar b/src/test/resources/classpath/move_external_class_simple.jar
new file mode 100644
index 0000000..7c06442
Binary files /dev/null and b/src/test/resources/classpath/move_external_class_simple.jar differ
diff --git a/src/test/resources/mappings/move_external_class_simple.tiny b/src/test/resources/mappings/move_external_class_simple.tiny
new file mode 100644
index 0000000..bc74788
--- /dev/null
+++ b/src/test/resources/mappings/move_external_class_simple.tiny
@@ -0,0 +1,3 @@
+tiny	2	0	a	b
+c	it/Exist	it/Exist2
+c	sources/Thing	sources/Thing2
diff --git a/src/test/resources/original/move_external_class_simple/A.java b/src/test/resources/original/move_external_class_simple/A.java
new file mode 100644
index 0000000..caa10f8
--- /dev/null
+++ b/src/test/resources/original/move_external_class_simple/A.java
@@ -0,0 +1,7 @@
+import it.Exist;
+import sources.Thing;
+
+// insert junk into this file; it should be converted almost 1 <=> 1
+public class A<WE_DO_A_LITTLE_TROLLING extends Object> implements Thing {
+    Exist lol;
+}
diff --git a/src/test/resources/remapped/move_external_class_simple/A.java b/src/test/resources/remapped/move_external_class_simple/A.java
new file mode 100644
index 0000000..0e0e618
--- /dev/null
+++ b/src/test/resources/remapped/move_external_class_simple/A.java
@@ -0,0 +1,7 @@
+import it.Exist2;
+import sources.Thing2;
+
+// insert junk into this file; it should be converted almost 1 <=> 1
+public class A<WE_DO_A_LITTLE_TROLLING extends Object> implements Thing2 {
+    Exist2 lol;
+}
diff --git a/src/test/resources/sourcepath/move_external_class_simple.jar b/src/test/resources/sourcepath/move_external_class_simple.jar
new file mode 100644
index 0000000..6dd43d5
Binary files /dev/null and b/src/test/resources/sourcepath/move_external_class_simple.jar differ