diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index e925a669bd..0a6f8cb6cc 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -104,17 +104,17 @@ jobs:
     needs: pre-flight-check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - name: Unix (FreeBSD) test
-      id: Test
-      uses: vmactions/freebsd-vm@v1
-      with:
-        release: "14.0"
-        copyback: false
-        prepare: pkg install -y cmake git ncurses bash wget bison
-        run: |
-         git config --global --add safe.directory /home/runner/work/iceoryx/iceoryx
-         ./tools/ci/build-test-freebsd.sh
+      - uses: actions/checkout@v4
+      - name: Unix (FreeBSD) test
+        id: Test
+        uses: vmactions/freebsd-vm@v1
+        with:
+          release: "14.0"
+          copyback: false
+          prepare: pkg install -y cmake git ncurses bash wget bison
+          run: |
+            git config --global --add safe.directory /home/runner/work/iceoryx/iceoryx
+            ./tools/ci/build-test-freebsd.sh
 
   run-integration-test:
     # prevent stuck jobs consuming runners for 6 hours
diff --git a/doc/website/release-notes/iceoryx-unreleased.md b/doc/website/release-notes/iceoryx-unreleased.md
index b82c0a936a..e89fc94593 100644
--- a/doc/website/release-notes/iceoryx-unreleased.md
+++ b/doc/website/release-notes/iceoryx-unreleased.md
@@ -138,7 +138,7 @@
 - 'iox::string' tests can exceed the translation unit compilation timeout [#2278](https://github.com/eclipse-iceoryx/iceoryx/issues/2278)
 -  Building iceoryx with bazel on Windows is broken [#2320](https://github.com/eclipse-iceoryx/iceoryx/issues/2320)
 - Fix wrong memory orders in SpscSoFi [#2177](https://github.com/eclipse-iceoryx/iceoryx/issues/2177)
--
+- ssize_t: redefinition; different basic types [#2209](https://github.com/eclipse-iceoryx/iceoryx/issues/2209)
 
 **Refactoring:**
 
diff --git a/iceoryx_platform/win/include/iceoryx_platform/acl.hpp b/iceoryx_platform/win/include/iceoryx_platform/acl.hpp
index 6c18ed8010..8d69c5e08a 100644
--- a/iceoryx_platform/win/include/iceoryx_platform/acl.hpp
+++ b/iceoryx_platform/win/include/iceoryx_platform/acl.hpp
@@ -83,7 +83,7 @@ inline int acl_add_perm(acl_permset_t permset_d, acl_perm_t perm)
     return 0;
 }
 
-inline char* acl_to_text(acl_t acl, ssize_t* len_p)
+inline char* acl_to_text(acl_t acl, iox_ssize_t* len_p)
 {
     return nullptr;
 }
diff --git a/iceoryx_platform/win/include/iceoryx_platform/mqueue.hpp b/iceoryx_platform/win/include/iceoryx_platform/mqueue.hpp
index 87818c6a87..fd0083748f 100644
--- a/iceoryx_platform/win/include/iceoryx_platform/mqueue.hpp
+++ b/iceoryx_platform/win/include/iceoryx_platform/mqueue.hpp
@@ -52,12 +52,12 @@ inline int mq_close(mqd_t mqdes)
 //{
 //}
 
-inline ssize_t mq_receive(mqd_t mqdes, char* msg_ptr, size_t msg_len, unsigned int* msg_prio)
+inline iox_ssize_t mq_receive(mqd_t mqdes, char* msg_ptr, size_t msg_len, unsigned int* msg_prio)
 {
     return 0;
 }
 
-inline ssize_t
+inline iox_ssize_t
 mq_timedreceive(mqd_t mqdes, char* msg_ptr, size_t msg_len, unsigned int* msg_prio, const struct timespec* abs_timeout)
 {
     return 0;
diff --git a/iceoryx_platform/win/include/iceoryx_platform/socket.hpp b/iceoryx_platform/win/include/iceoryx_platform/socket.hpp
index e7a3591436..7352094197 100644
--- a/iceoryx_platform/win/include/iceoryx_platform/socket.hpp
+++ b/iceoryx_platform/win/include/iceoryx_platform/socket.hpp
@@ -30,9 +30,9 @@ using sa_family_t = int;
 int iox_bind(int sockfd, const struct sockaddr* addr, socklen_t addrlen);
 int iox_socket(int domain, int type, int protocol);
 int iox_setsockopt(int sockfd, int level, int optname, const void* optval, socklen_t optlen);
-ssize_t
+iox_ssize_t
 iox_sendto(int sockfd, const void* buf, size_t len, int flags, const struct sockaddr* dest_addr, socklen_t addrlen);
-ssize_t iox_recvfrom(int sockfd, void* buf, size_t len, int flags, struct sockaddr* src_addr, socklen_t* addrlen);
+iox_ssize_t iox_recvfrom(int sockfd, void* buf, size_t len, int flags, struct sockaddr* src_addr, socklen_t* addrlen);
 int iox_connect(int sockfd, const struct sockaddr* addr, socklen_t addrlen);
 int iox_closesocket(int sockfd);
 
diff --git a/iceoryx_platform/win/include/iceoryx_platform/types.hpp b/iceoryx_platform/win/include/iceoryx_platform/types.hpp
index 4cd6937c6a..968cb9d7d2 100644
--- a/iceoryx_platform/win/include/iceoryx_platform/types.hpp
+++ b/iceoryx_platform/win/include/iceoryx_platform/types.hpp
@@ -23,8 +23,10 @@ using iox_gid_t = int;
 using iox_uid_t = int;
 #if defined(_MSC_VER)
 using mode_t = int;
-using ssize_t = size_t;
+using iox_ssize_t = int;
 using pid_t = int;
+#elif defined(__MINGW32__) || defined(__MINGW64__)
+using iox_ssize_t = ssize_t;
 #endif
 using nlink_t = int;
 using blksize_t = int;
diff --git a/iceoryx_platform/win/include/iceoryx_platform/unistd.hpp b/iceoryx_platform/win/include/iceoryx_platform/unistd.hpp
index c4719fd4cf..9fbe0be81a 100644
--- a/iceoryx_platform/win/include/iceoryx_platform/unistd.hpp
+++ b/iceoryx_platform/win/include/iceoryx_platform/unistd.hpp
@@ -35,7 +35,6 @@
 #endif
 
 using iox_off_t = long;
-using iox_ssize_t = int;
 
 #define IOX_F_OK 0
 #define IOX_X_OK 1
@@ -55,4 +54,5 @@ iox_ssize_t iox_write(int fd, const void* buf, size_t count);
 iox_gid_t iox_getgid(void);
 iox_uid_t iox_geteuid(void);
 
+
 #endif // IOX_HOOFS_WIN_PLATFORM_UNISTD_HPP
diff --git a/iceoryx_platform/win/source/socket.cpp b/iceoryx_platform/win/source/socket.cpp
index c0e360d31e..1e07e3ec4e 100644
--- a/iceoryx_platform/win/source/socket.cpp
+++ b/iceoryx_platform/win/source/socket.cpp
@@ -16,6 +16,7 @@
 
 #include "iceoryx_platform/socket.hpp"
 #include "iceoryx_platform/logging.hpp"
+#include "iceoryx_platform/types.hpp"
 #include <cstdio>
 
 int iox_bind(int sockfd, const struct sockaddr* addr, socklen_t addrlen)
@@ -36,14 +37,14 @@ int iox_setsockopt(int sockfd, int level, int optname, const void* optval, sockl
     return 0;
 }
 
-ssize_t
+iox_ssize_t
 iox_sendto(int sockfd, const void* buf, size_t len, int flags, const struct sockaddr* dest_addr, socklen_t addrlen)
 {
     IOX_PLATFORM_LOG(IOX_PLATFORM_LOG_LEVEL_ERROR, "'iox_sendto' is not implemented in windows!");
     return 0;
 }
 
-ssize_t iox_recvfrom(int sockfd, void* buf, size_t len, int flags, struct sockaddr* src_addr, socklen_t* addrlen)
+iox_ssize_t iox_recvfrom(int sockfd, void* buf, size_t len, int flags, struct sockaddr* src_addr, socklen_t* addrlen)
 {
     IOX_PLATFORM_LOG(IOX_PLATFORM_LOG_LEVEL_ERROR, "'iox_recvfrom' is not implemented in windows!");
     return 0;
diff --git a/iceoryx_platform/win/source/unistd.cpp b/iceoryx_platform/win/source/unistd.cpp
index 534801fe63..8ac61fdf65 100644
--- a/iceoryx_platform/win/source/unistd.cpp
+++ b/iceoryx_platform/win/source/unistd.cpp
@@ -20,6 +20,7 @@
 #include "iceoryx_platform/mman.hpp"
 #include "iceoryx_platform/win32_errorHandling.hpp"
 
+
 int iox_ftruncate(int fildes, off_t length)
 {
     internal_iox_shm_set_size(fildes, length);