diff --git a/Lib/ctypes/util.py b/Lib/ctypes/util.py
index c427d319a7d..d2c04d21424 100644
--- a/Lib/ctypes/util.py
+++ b/Lib/ctypes/util.py
@@ -92,7 +92,7 @@ elif os.name == "posix":
         fdout, ccout = tempfile.mkstemp()
         os.close(fdout)
         cmd = 'if type gcc >/dev/null 2>&1; then CC=gcc; elif type cc >/dev/null 2>&1; then CC=cc;else exit 10; fi;' \
-              '$CC -Wl,-t -o ' + ccout + ' 2>&1 -l' + name
+              'LANG=C LC_ALL=C $CC -Wl,-t -o ' + ccout + ' 2>&1 -l' + name
         try:
             f = os.popen(cmd)
             try:
diff --git a/Misc/NEWS b/Misc/NEWS
index 47f2fbad63e..e3bcfe268c4 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -88,6 +88,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #17754: Make ctypes.util.find_library() independent of the locale.
+
 - Issue #17968: Fix memory leak in os.listxattr().
 
 - Issue #17606: Fixed support of encoded byte strings in the XMLGenerator