diff --git a/Dockerfile b/Dockerfile
index b90c643b5..a412c27da 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ FROM $image AS base
 WORKDIR /pwndbg
 
 ENV PIP_NO_CACHE_DIR=true
-ENV LANG en_US.utf8
+ENV LANG=en_US.utf8
 ENV TZ=America/New_York
 ENV ZIGPATH=/opt/zig
 ENV PWNDBG_VENV_PATH=/venv
diff --git a/Dockerfile.arch b/Dockerfile.arch
index 47b43c551..2f349947d 100644
--- a/Dockerfile.arch
+++ b/Dockerfile.arch
@@ -14,7 +14,7 @@ FROM $image
 WORKDIR /pwndbg
 
 ENV PIP_NO_CACHE_DIR=true
-ENV LANG en_US.utf8
+ENV LANG=en_US.utf8
 ENV TZ=America/New_York
 ENV ZIGPATH=/opt/zig
 ENV PWNDBG_VENV_PATH=/venv
diff --git a/Dockerfile.lldb b/Dockerfile.lldb
index 103fe009d..a143d2385 100644
--- a/Dockerfile.lldb
+++ b/Dockerfile.lldb
@@ -14,7 +14,7 @@ FROM $image
 WORKDIR /pwndbg
 
 ENV PIP_NO_CACHE_DIR=true
-ENV LANG en_US.utf8
+ENV LANG=en_US.utf8
 ENV TZ=America/New_York
 ENV ZIGPATH=/opt/zig
 ENV PWNDBG_VENV_PATH=/venv