diff --git a/AMD/CMakeLists.txt b/AMD/CMakeLists.txt
index 3a15fdcf6..571400868 100644
--- a/AMD/CMakeLists.txt
+++ b/AMD/CMakeLists.txt
@@ -90,7 +90,8 @@ if ( BUILD_SHARED_LIBS )
         OUTPUT_NAME amd
         SOVERSION ${AMD_VERSION_MAJOR}
         PUBLIC_HEADER "Include/amd.h"
-        WINDOWS_EXPORT_ALL_SYMBOLS ON )
+        WINDOWS_EXPORT_ALL_SYMBOLS ON
+        LINKER_LANGUAGE C )
 
     if ( ${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.25" )
         set_target_properties ( AMD PROPERTIES EXPORT_NO_SYSTEM ON )
@@ -111,7 +112,8 @@ if ( BUILD_STATIC_LIBS )
         C_STANDARD 11
         C_STANDARD_REQUIRED ON
         OUTPUT_NAME amd
-        PUBLIC_HEADER "Include/amd.h" )
+        PUBLIC_HEADER "Include/amd.h"
+        LINKER_LANGUAGE C )
 
     if ( MSVC OR ("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC") )
         set_target_properties ( AMD_static PROPERTIES
diff --git a/CHOLMOD/CMakeLists.txt b/CHOLMOD/CMakeLists.txt
index 89f136f39..e6dbdc137 100644
--- a/CHOLMOD/CMakeLists.txt
+++ b/CHOLMOD/CMakeLists.txt
@@ -383,7 +383,8 @@ if ( BUILD_SHARED_LIBS )
         OUTPUT_NAME cholmod
         SOVERSION ${CHOLMOD_VERSION_MAJOR}
         PUBLIC_HEADER "Include/cholmod.h"
-        WINDOWS_EXPORT_ALL_SYMBOLS ON )
+        WINDOWS_EXPORT_ALL_SYMBOLS ON
+        LINKER_LANGUAGE C )
 
     if ( CHOLMOD_HAS_CUDA )
         set_target_properties ( CHOLMOD PROPERTIES CUDA_SEPARABLE_COMPILATION ON )
@@ -410,7 +411,8 @@ if ( BUILD_STATIC_LIBS )
         C_STANDARD 11
         C_STANDARD_REQUIRED ON
         OUTPUT_NAME cholmod
-        PUBLIC_HEADER "Include/cholmod.h" )
+        PUBLIC_HEADER "Include/cholmod.h"
+        LINKER_LANGUAGE C )
 
     if ( MSVC OR ("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC") )
         set_target_properties ( CHOLMOD_static PROPERTIES