diff --git a/Ghidra/Processors/Dalvik/certification.manifest b/Ghidra/Processors/Dalvik/certification.manifest
index 7c45e60c34..ac404338dc 100644
--- a/Ghidra/Processors/Dalvik/certification.manifest
+++ b/Ghidra/Processors/Dalvik/certification.manifest
@@ -1,8 +1,8 @@
 ##VERSION: 2.0
 Module.manifest||GHIDRA||||END|
+data/languages/Dalvik.ldefs||GHIDRA||||END|
+data/languages/Dalvik.opinion||GHIDRA||||END|
 data/languages/Dalvik_Base.cspec||GHIDRA||||END|
-data/languages/Dalvik_Base.ldefs||GHIDRA||||END|
-data/languages/Dalvik_Base.opinion||GHIDRA||||END|
 data/languages/Dalvik_Base.pspec||GHIDRA||||END|
 data/languages/Dalvik_Base.sinc||GHIDRA||||END|
 data/languages/Dalvik_Base.slaspec||GHIDRA||||END|
diff --git a/Ghidra/Processors/Dalvik/data/languages/Dalvik_Base.ldefs b/Ghidra/Processors/Dalvik/data/languages/Dalvik.ldefs
similarity index 89%
rename from Ghidra/Processors/Dalvik/data/languages/Dalvik_Base.ldefs
rename to Ghidra/Processors/Dalvik/data/languages/Dalvik.ldefs
index 0216dbae06..f40714b7ec 100644
--- a/Ghidra/Processors/Dalvik/data/languages/Dalvik_Base.ldefs
+++ b/Ghidra/Processors/Dalvik/data/languages/Dalvik.ldefs
@@ -2,6 +2,20 @@
 
 <language_definitions>
 
+ <!-- legacy/deprecated Dalvik language needed for existing Programs which use its ID -->
+ <language processor="Dalvik"
+            endian="little"
+            size="32"
+            variant="default"
+            version="1.0"
+            deprecated="true"
+            slafile="Dalvik_Base.sla"
+            processorspec="Dalvik_Base.pspec"
+            id="Dalvik:LE:32:default">
+    <description>Dalvik Base</description>
+    <compiler name="default" spec="Dalvik_Base.cspec" id="default"/>
+  </language>
+
   <language processor="Dalvik"
             endian="little"
             size="32"
diff --git a/Ghidra/Processors/Dalvik/data/languages/Dalvik_Base.opinion b/Ghidra/Processors/Dalvik/data/languages/Dalvik.opinion
similarity index 100%
rename from Ghidra/Processors/Dalvik/data/languages/Dalvik_Base.opinion
rename to Ghidra/Processors/Dalvik/data/languages/Dalvik.opinion