diff --git a/Changelog.md b/Changelog.md
index f0af1c11..503a7e98 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -10,6 +10,7 @@ OpenCore Changelog
 - Added tool to extract vendor secure boot certificate from GRUB shim file
 - Added `BridgeOSHardwareModel` NVRAM variable to fix T2 SB AP models on macOS 12
 - Changed `Default` Apple Secure Boot model to match SMBIOS for macOS 12
+- Fixed `opencore-version` not being added to NVRAM variables
 
 #### v0.7.3
 - Improved SSDT-PNLF compatibility with CFL+ graphics
diff --git a/Docs/Configuration.pdf b/Docs/Configuration.pdf
index 2c3468f0..240486cf 100644
Binary files a/Docs/Configuration.pdf and b/Docs/Configuration.pdf differ
diff --git a/Docs/Configuration.tex b/Docs/Configuration.tex
index 1a8d76cb..d5aecb1b 100755
--- a/Docs/Configuration.tex
+++ b/Docs/Configuration.tex
@@ -3965,6 +3965,8 @@ u=$(nvram 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:boot-path | sed 's/.*GPT,\([^,]*\
 \begin{lstlisting}[label=nvramver, style=ocbash]
 nvram 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:opencore-version
 \end{lstlisting}
+  If the OpenCore version is not exposed the variable will contain
+  \texttt{UNK-000-0000-00-00} sequence.
 
   To obtain OEM information, use the following commands in macOS:
 \begin{lstlisting}[label=nvramoem, style=ocbash]
diff --git a/Docs/Differences/Differences.pdf b/Docs/Differences/Differences.pdf
index c6156697..81b6de3b 100644
Binary files a/Docs/Differences/Differences.pdf and b/Docs/Differences/Differences.pdf differ
diff --git a/Docs/Differences/Differences.tex b/Docs/Differences/Differences.tex
index 954ce6fb..89982d7e 100644
--- a/Docs/Differences/Differences.tex
+++ b/Docs/Differences/Differences.tex
@@ -1,7 +1,7 @@
 \documentclass[]{article}
 %DIF LATEXDIFF DIFFERENCE FILE
 %DIF DEL PreviousConfiguration.tex   Sun Sep 12 01:31:15 2021
-%DIF ADD ../Configuration.tex        Sun Oct  3 09:32:34 2021
+%DIF ADD ../Configuration.tex        Sun Oct  3 16:07:47 2021
 
 \usepackage{lmodern}
 \usepackage{amssymb,amsmath}
@@ -4035,6 +4035,9 @@ u=$(nvram 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:boot-path | sed 's/.*GPT,\([^,]*\
 \begin{lstlisting}[label=nvramver, style=ocbash]
 nvram 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:opencore-version
 \end{lstlisting}
+  \DIFaddbegin \DIFadd{If the OpenCore version is not exposed the variable will contain
+  }\texttt{\DIFadd{UNK-000-0000-00-00}} \DIFadd{sequence.
+}\DIFaddend 
 
   To obtain OEM information, use the following commands in macOS:
 \begin{lstlisting}[label=nvramoem, style=ocbash]
diff --git a/Docs/Errata/Errata.pdf b/Docs/Errata/Errata.pdf
index f3481dad..6b582ecb 100644
Binary files a/Docs/Errata/Errata.pdf and b/Docs/Errata/Errata.pdf differ
diff --git a/Library/OcMainLib/OpenCoreNvram.c b/Library/OcMainLib/OpenCoreNvram.c
index e61d547f..a185bbd9 100644
--- a/Library/OcMainLib/OpenCoreNvram.c
+++ b/Library/OcMainLib/OpenCoreNvram.c
@@ -93,6 +93,13 @@ OcReportVersion (
       AsciiStrLen (Version),
       (VOID *) Version
       );
+  } else {
+    OcSetSystemVariable (
+      OC_VERSION_VARIABLE_NAME,
+      OPEN_CORE_NVRAM_ATTR,
+      L_STR_LEN ("UNK-000-0000-00-00"),
+      "UNK-000-0000-00-00"
+      );
   }
 }