diff --git a/contrib/corrosion-cmake/CMakeLists.txt b/contrib/corrosion-cmake/CMakeLists.txt
index 9b98ed6efb3..4f60304d74d 100644
--- a/contrib/corrosion-cmake/CMakeLists.txt
+++ b/contrib/corrosion-cmake/CMakeLists.txt
@@ -16,29 +16,30 @@ message(STATUS "Checking Rust toolchain for current target")
 
 # See https://doc.rust-lang.org/nightly/rustc/platform-support.html
 
-if(CMAKE_TOOLCHAIN_FILE MATCHES "ppc64le")
-    set(Rust_CARGO_TARGET "powerpc64le-unknown-linux-gnu")
-elseif((CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-x86_64") AND (CMAKE_TOOLCHAIN_FILE MATCHES "musl"))
-    set(Rust_CARGO_TARGET "x86_64-unknown-linux-musl")
-elseif(CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-x86_64")
-    set(Rust_CARGO_TARGET "x86_64-unknown-linux-gnu")
-elseif((CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-aarch64") AND (CMAKE_TOOLCHAIN_FILE MATCHES "musl"))
-    set(Rust_CARGO_TARGET "aarch64-unknown-linux-musl")
-elseif(CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-aarch64")
-    set(Rust_CARGO_TARGET "aarch64-unknown-linux-gnu")
-elseif((CMAKE_TOOLCHAIN_FILE MATCHES "darwin") AND (CMAKE_TOOLCHAIN_FILE MATCHES "x86_64"))
-    set(Rust_CARGO_TARGET "x86_64-apple-darwin")
-elseif((CMAKE_TOOLCHAIN_FILE MATCHES "darwin") AND (CMAKE_TOOLCHAIN_FILE MATCHES "aarch64"))
-    set(Rust_CARGO_TARGET "aarch64-apple-darwin")
-elseif((CMAKE_TOOLCHAIN_FILE MATCHES "freebsd") AND (CMAKE_TOOLCHAIN_FILE MATCHES "x86_64"))
-    set(Rust_CARGO_TARGET "x86_64-unknown-freebsd")
-elseif(CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-riscv64")
-    set(Rust_CARGO_TARGET "riscv64gc-unknown-linux-gnu")
-else()
-    message(FATAL_ERROR "Unsupported rust target")
-endif()
-
-message(STATUS "Switched Rust target to ${Rust_CARGO_TARGET}")
+if(DEFINED CMAKE_TOOLCHAIN_FILE)
+    if(CMAKE_TOOLCHAIN_FILE MATCHES "ppc64le")
+        set(Rust_CARGO_TARGET "powerpc64le-unknown-linux-gnu")
+    elseif((CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-x86_64") AND (CMAKE_TOOLCHAIN_FILE MATCHES "musl"))
+        set(Rust_CARGO_TARGET "x86_64-unknown-linux-musl")
+    elseif(CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-x86_64")
+        set(Rust_CARGO_TARGET "x86_64-unknown-linux-gnu")
+    elseif((CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-aarch64") AND (CMAKE_TOOLCHAIN_FILE MATCHES "musl"))
+        set(Rust_CARGO_TARGET "aarch64-unknown-linux-musl")
+    elseif(CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-aarch64")
+        set(Rust_CARGO_TARGET "aarch64-unknown-linux-gnu")
+    elseif((CMAKE_TOOLCHAIN_FILE MATCHES "darwin") AND (CMAKE_TOOLCHAIN_FILE MATCHES "x86_64"))
+        set(Rust_CARGO_TARGET "x86_64-apple-darwin")
+    elseif((CMAKE_TOOLCHAIN_FILE MATCHES "darwin") AND (CMAKE_TOOLCHAIN_FILE MATCHES "aarch64"))
+        set(Rust_CARGO_TARGET "aarch64-apple-darwin")
+    elseif((CMAKE_TOOLCHAIN_FILE MATCHES "freebsd") AND (CMAKE_TOOLCHAIN_FILE MATCHES "x86_64"))
+        set(Rust_CARGO_TARGET "x86_64-unknown-freebsd")
+    elseif(CMAKE_TOOLCHAIN_FILE MATCHES "linux/toolchain-riscv64")
+        set(Rust_CARGO_TARGET "riscv64gc-unknown-linux-gnu")
+    else()
+        message(FATAL_ERROR "Unsupported rust target")
+    endif()
+    message(STATUS "Switched Rust target to ${Rust_CARGO_TARGET}")
+endif ()
 
 # FindRust.cmake
 list(APPEND CMAKE_MODULE_PATH "${ClickHouse_SOURCE_DIR}/contrib/corrosion/cmake")