diff --git a/CMakeLists.txt b/CMakeLists.txt
index a45ae6d0..fd77d671 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -176,6 +176,10 @@ option(ASSERTS "Enable assert()s" ON)
 # Development build can be enabled/disabled regardless of build type
 option(DEV_BUILD "Enable development build (enables some debugging tools, local setting paths, etc.)" OFF)
 
+# Official build - changes text on the crash screen
+# PLEASE DO NOT USE ON UNOFFICIAL BUILDS. Thanks.
+option(OFFICIAL_BUILD "Official build (changes crash screen text)" OFF)
+
 # Portable build - load all data from current directory
 option(PORTABLE "Portable build" OFF)
 
diff --git a/src/app/signal_handlers.cpp b/src/app/signal_handlers.cpp
index f685a587..a2f4e921 100644
--- a/src/app/signal_handlers.cpp
+++ b/src/app/signal_handlers.cpp
@@ -133,8 +133,12 @@ void CSignalHandlers::ReportError(const std::string& errorMessage)
     msg << "including information on what you were doing before this happened and all the information below." << std::endl;
     msg << "==============================" << std::endl;
     #if BUILD_NUMBER == 0
-        // COLOBOT_VERSION_DISPLAY doesn't update if you don't run CMake after "git pull"
-        msg << "You seem to be running a custom compilation of version " << COLOBOT_VERSION_DISPLAY << ", but please verify that." << std::endl;
+        #ifdef OFFICIAL_BUILD
+            msg << "You are running official " << COLOBOT_VERSION_DISPLAY << " build." << std::endl;
+        #else
+            // COLOBOT_VERSION_DISPLAY doesn't update if you don't run CMake after "git pull"
+            msg << "You seem to be running a custom compilation of version " << COLOBOT_VERSION_DISPLAY << ", but please verify that." << std::endl;
+        #endif
     #else
         msg << "You are running version " << COLOBOT_VERSION_DISPLAY << " from CI build #" << BUILD_NUMBER << std::endl;
     #endif
diff --git a/src/common/version.h.cmake b/src/common/version.h.cmake
index 5749421e..ad3714b3 100644
--- a/src/common/version.h.cmake
+++ b/src/common/version.h.cmake
@@ -4,3 +4,4 @@
 #define COLOBOT_VERSION_DISPLAY "@COLOBOT_VERSION_DISPLAY@"
 
 #define BUILD_NUMBER @BUILD_NUMBER@
+#cmakedefine OFFICIAL_BUILD