diff --git a/CMakeLists.txt b/CMakeLists.txt
index 47dab79f..e00df0db 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@ option(GEODE_USE_BREAKPAD "Enables the use of the Breakpad library for crash dum
 # Read version
 file(READ VERSION GEODE_VERSION)
 string(STRIP "${GEODE_VERSION}" GEODE_VERSION)
+set(GEODE_VERSION "${GEODE_VERSION}" CACHE INTERNAL "Geode version")
 
 # Check if version has a tag like v1.0.0-alpha
 string(FIND ${GEODE_VERSION} "-" GEODE_VERSION_HAS_TAG)
diff --git a/cmake/GeodeFile.cmake b/cmake/GeodeFile.cmake
index 613911cc..df1a5df7 100644
--- a/cmake/GeodeFile.cmake
+++ b/cmake/GeodeFile.cmake
@@ -86,9 +86,19 @@ function(setup_geode_mod proname)
     file(READ "${CMAKE_CURRENT_SOURCE_DIR}/mod.json" MOD_JSON)
     string(JSON MOD_ID GET "${MOD_JSON}" "id")
     string(JSON MOD_VERSION GET "${MOD_JSON}" "version")
+    string(JSON TARGET_GEODE_VERSION GET "${MOD_JSON}" "geode")
     string(JSON MOD_HAS_API ERROR_VARIABLE MOD_DOESNT_HAVE_API GET "${MOD_JSON}" "api")
     string(JSON MOD_HAS_DEPS ERROR_VARIABLE MOD_DOESNT_HAVE_DEPS GET "${MOD_JSON}" "dependencies")
 
+    if ("${TARGET_GEODE_VERSION}" STREQUAL "${GEODE_VERSION}")
+        message(STATUS "Mod ${MOD_ID} is compiling for Geode version ${GEODE_VERSION}")
+    else()
+        message(FATAL_ERROR
+            "Mod ${MOD_ID} is not compatible with Geode version ${GEODE_VERSION} - "
+            "it was made for version ${TARGET_GEODE_VERSION}"
+        )
+    endif()
+
     # Add this mod to the list of known externals mods
     list(APPEND GEODE_MODS_BEING_BUILT "${MOD_ID}:${MOD_VERSION}")
     # Ensure that the list of mods being built is global (persists between setup_geode_mod calls)