diff --git a/common/version.sh b/common/version.sh
index db88e141..290b1f0b 100755
--- a/common/version.sh
+++ b/common/version.sh
@@ -13,8 +13,11 @@ main() {
     set -- "$(git describe --tags --dirty=-dev)"
   fi
 
+  GIT_TAG_NAMESPACE=$(echo "v$1" | sed "s/[^a-zA-Z0-9_]/_/g")
+
   msg "Current version: $1"
   sed -r "/#define GIT_TAG/s/GIT_TAG .*/GIT_TAG \"$1\"/" -i include/version.hpp
+  sed -r "/#define GIT_TAG_NAMESPACE/s/GIT_TAG_NAMESPACE .*/GIT_TAG_NAMESPACE $GIT_TAG_NAMESPACE/" -i include/version.hpp
 
   if git diff include/version.hpp 2>/dev/null | grep -q .; then
     msg "Updated include/version.hpp"
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index bfbf5bff..b6e5c60a 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -29,6 +29,10 @@ execute_process(COMMAND git describe --tags --dirty=-git
   OUTPUT_VARIABLE APP_VERSION
   OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
 
+if(APP_VERSION)
+  STRING(REGEX REPLACE "[^a-zA-Z0-9_]" "_" APP_VERSION_NAMESPACE "v${APP_VERSION}")
+endif()
+
 configure_file(
   ${CMAKE_CURRENT_LIST_DIR}/settings.hpp.cmake
   ${CMAKE_CURRENT_LIST_DIR}/settings.hpp
diff --git a/include/common.hpp b/include/common.hpp
index 65a7faa6..e29ef35b 100644
--- a/include/common.hpp
+++ b/include/common.hpp
@@ -5,13 +5,14 @@
 #include <vector>
 #include <functional>
 
+#include "settings.hpp"
+
 #define POLYBAR_NS    \
   namespace polybar { \
-    inline namespace v2_0_0 {
+    inline namespace APP_VERSION_NAMESPACE {
 #define POLYBAR_NS_END \
   }                    \
   }
-#define POLYBAR_NS_PATH "polybar::v2_0_0"
 
 #ifndef PIPE_READ
 #define PIPE_READ 0
diff --git a/include/settings.hpp.cmake b/include/settings.hpp.cmake
index d3dd34bd..1f21b2b7 100644
--- a/include/settings.hpp.cmake
+++ b/include/settings.hpp.cmake
@@ -11,6 +11,10 @@
 #ifndef APP_VERSION
 #define APP_VERSION GIT_TAG
 #endif
+#cmakedefine APP_VERSION_NAMESPACE @APP_VERSION_NAMESPACE@
+#ifndef APP_VERSION_NAMESPACE
+#define APP_VERSION_NAMESPACE GIT_TAG_NAMESPACE
+#endif
 #define BASE_PATH "@PROJECT_SOURCE_DIR@"
 
 #cmakedefine01 ENABLE_ALSA
diff --git a/include/version.hpp b/include/version.hpp
index cfe533e0..b3a9bd95 100644
--- a/include/version.hpp
+++ b/include/version.hpp
@@ -1,3 +1,4 @@
 #pragma once
 
 #define GIT_TAG "3.0.3"
+#define GIT_TAG_NAMESPACE v3_0_3