diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1659f1fe4..ffe15c700 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Half-Life Updated changelog
 
+## Changes in V1.1.1
+
+> Note: this update has not been released yet.
+
+### Bug fixes
+
+* Link Linux binaries with `-Wl` and `--no-undefined` flags to avoid situations where something was referenced but wasn't added in the build (Thanks a1batross)
+
 ## Changes in V1.1.0
 
 ### Bug Fixes
diff --git a/FULL_UPDATED_CHANGELOG.md b/FULL_UPDATED_CHANGELOG.md
index 808c0cd94..2d6f8d475 100644
--- a/FULL_UPDATED_CHANGELOG.md
+++ b/FULL_UPDATED_CHANGELOG.md
@@ -437,6 +437,7 @@ Fixes for bugs introduced in beta builds are not included in this list.
 * Disabled GCC optimization that prevents mod dlls from unloading after engine calls dlclose
 * Fixed third party libraries possibly not being linked to when building Linux server dll (Thanks a1batross)
 * Mods made with this SDK will now shut down if they detect they are being run from a Valve game directory (e.g. by placing the dlls in `Half-Life/valve/cl_dlls` and `Half-Life/valve/dlls`). This is not supported and puts users at risk of being VAC banned. Run mods from their intended location only
+* Link Linux binaries with `-Wl` and `--no-undefined` flags to avoid situations where something was referenced but wasn't added in the build (Thanks a1batross)
 
 ## Git repository changes
 
diff --git a/linux/Makefile b/linux/Makefile
index df65701c3..fefa963dc 100644
--- a/linux/Makefile
+++ b/linux/Makefile
@@ -54,9 +54,9 @@ endif
 SHLIBEXT=so
 SHLIBCFLAGS=
 ifeq "$(CFG)" "release"
-	SHLIBLDFLAGS="-shared -Wl,-Map,$@_map.txt"
+	SHLIBLDFLAGS="-shared -Wl,-Map,$@_map.txt -Wl,--no-undefined"
 else
-	SHLIBLDFLAGS="-shared -gdwarf-2 -g2 -Wl,-Map,$@_map.txt"
+	SHLIBLDFLAGS="-shared -gdwarf-2 -g2 -Wl,-Map,$@_map.txt -Wl,--no-undefined"
 endif
 
 AR=ar