diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40fe0d091..78fb7da8c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,28 @@ if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
   set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Build type (default Release)" FORCE)
 endif()
 
+find_package(Git)
+if(GIT_FOUND AND EXISTS "${CMAKE_SOURCE_DIR}/.git")
+    # Check if Orca is on a tag
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} describe --exact-match --tags
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        RESULT_VARIABLE GIT_TAG_CHECK
+    )
+    if(NOT GIT_TAG_CHECK EQUAL 0)
+    add_definitions("-DSNAPSHOT_BUILD=1")
+    endif()
+
+    # Check current Git commit hash
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} log -1 --format=%h
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        OUTPUT_VARIABLE GIT_COMMIT_HASH
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    add_definitions("-DGIT_COMMIT_HASH=\"${GIT_COMMIT_HASH}\"")
+endif()
+
 if(DEFINED ENV{SLIC3R_STATIC})
         set(SLIC3R_STATIC_INITIAL $ENV{SLIC3R_STATIC})
 else()
diff --git a/src/libslic3r/libslic3r_version.h.in b/src/libslic3r/libslic3r_version.h.in
index 90383c93a..31af715bc 100644
--- a/src/libslic3r/libslic3r_version.h.in
+++ b/src/libslic3r/libslic3r_version.h.in
@@ -5,6 +5,9 @@
 #define SLIC3R_APP_KEY "@SLIC3R_APP_KEY@"
 #define SLIC3R_VERSION "@SLIC3R_VERSION@"
 #define SoftFever_VERSION "@SoftFever_VERSION@"
+#ifndef GIT_COMMIT_HASH
+    #define GIT_COMMIT_HASH "0000000" // 0000000 means uninitialized
+#endif
 #define SLIC3R_BUILD_ID "@SLIC3R_BUILD_ID@"
 #define SLIC3R_BUILD_TIME "@SLIC3R_BUILD_TIME@"
 //#define SLIC3R_RC_VERSION "@SLIC3R_VERSION@"
diff --git a/src/slic3r/GUI/AboutDialog.cpp b/src/slic3r/GUI/AboutDialog.cpp
index 52d04bed5..e7ff3caa3 100644
--- a/src/slic3r/GUI/AboutDialog.cpp
+++ b/src/slic3r/GUI/AboutDialog.cpp
@@ -259,8 +259,19 @@ AboutDialog::AboutDialog()
         version->SetBackgroundColour(wxColour("#4d4d4d"));
         bs_version->SetBackgroundColour(wxColour("#4d4d4d"));
 
+        #ifdef SNAPSHOT_BUILD
+        auto build_string = _L("build") + " " + std::string(GIT_COMMIT_HASH);
+        wxStaticText* version_build = new wxStaticText(this, wxID_ANY, build_string.c_str(), wxDefaultPosition, wxDefaultSize);
+        version_build->SetFont(Label::Body_12);
+
+        version_build->SetForegroundColour(wxColour("#FFFFFD"));
+        version_build->SetBackgroundColour(wxColour("#4d4d4d"));
+        #endif
 
         vesizer->Add(version, 0, wxALL | wxALIGN_CENTER_HORIZONTAL, FromDIP(5));
+        #ifdef SNAPSHOT_BUILD
+        vesizer->Add(version_build, 0, wxALL | wxALIGN_CENTER_HORIZONTAL, FromDIP(5));
+        #endif
         vesizer->Add(bs_version, 0, wxALL | wxALIGN_CENTER_HORIZONTAL, FromDIP(5));
 // #if BBL_INTERNAL_TESTING
 //         wxString build_time = wxString::Format("Build Time: %s", std::string(SLIC3R_BUILD_TIME));