diff --git a/wasi-sdk-p1.cmake b/wasi-sdk-p1.cmake
index a64248093..d44077b6c 100644
--- a/wasi-sdk-p1.cmake
+++ b/wasi-sdk-p1.cmake
@@ -7,6 +7,7 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
 set(CMAKE_SYSTEM_NAME WASI)
 set(CMAKE_SYSTEM_VERSION 1)
 set(CMAKE_SYSTEM_PROCESSOR wasm32)
+set(CMAKE_EXECUTABLE_SUFFIX .wasm)
 set(triple wasm32-wasip1)
 
 if(WIN32)
diff --git a/wasi-sdk-p2.cmake b/wasi-sdk-p2.cmake
index 19604d723..c69e63b3a 100644
--- a/wasi-sdk-p2.cmake
+++ b/wasi-sdk-p2.cmake
@@ -7,6 +7,7 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
 set(CMAKE_SYSTEM_NAME WASI)
 set(CMAKE_SYSTEM_VERSION 1)
 set(CMAKE_SYSTEM_PROCESSOR wasm32)
+set(CMAKE_EXECUTABLE_SUFFIX .wasm)
 set(triple wasm32-wasip2)
 
 if(WIN32)
diff --git a/wasi-sdk-p3.cmake b/wasi-sdk-p3.cmake
index d4f01cf17..9df62d444 100644
--- a/wasi-sdk-p3.cmake
+++ b/wasi-sdk-p3.cmake
@@ -7,6 +7,7 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
 set(CMAKE_SYSTEM_NAME WASI)
 set(CMAKE_SYSTEM_VERSION 1)
 set(CMAKE_SYSTEM_PROCESSOR wasm32)
+set(CMAKE_EXECUTABLE_SUFFIX .wasm)
 set(triple wasm32-wasip3)
 
 if(WIN32)
diff --git a/wasi-sdk-pthread.cmake b/wasi-sdk-pthread.cmake
index 98e5209d5..219c03314 100644
--- a/wasi-sdk-pthread.cmake
+++ b/wasi-sdk-pthread.cmake
@@ -11,6 +11,7 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
 # (--export-memory is implicit unless --import-memory is given)
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--import-memory")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--export-memory")
+set(CMAKE_EXECUTABLE_SUFFIX .wasm)
 
 if(WIN32)
 	set(WASI_HOST_EXE_SUFFIX ".exe")
diff --git a/wasi-sdk.cmake b/wasi-sdk.cmake
index 7c9c711d4..2280f3bb2 100644
--- a/wasi-sdk.cmake
+++ b/wasi-sdk.cmake
@@ -7,6 +7,7 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
 set(CMAKE_SYSTEM_NAME WASI)
 set(CMAKE_SYSTEM_VERSION 1)
 set(CMAKE_SYSTEM_PROCESSOR wasm32)
+set(CMAKE_EXECUTABLE_SUFFIX .wasm)
 set(triple wasm32-wasi)
 
 if(WIN32)