diff --git a/gcc.cmake b/gcc.cmake
index 621aad3a9fc..708b07ab72a 100644
--- a/gcc.cmake
+++ b/gcc.cmake
@@ -274,7 +274,7 @@ macro(add_importlib_target _exports_file)
 
         add_custom_command(
             OUTPUT ${CMAKE_BINARY_DIR}/importlibs/lib${_name}.a
-            COMMAND native-spec2def -n=${_name}.${_suffix} -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file}
+            COMMAND native-spec2def -n=${_name}${_suffix} -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file}
             COMMAND ${MINGW_PREFIX}dlltool --def ${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def --kill-at --output-lib=${CMAKE_BINARY_DIR}/importlibs/lib${_name}.a
             DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file})
 
diff --git a/msc.cmake b/msc.cmake
index c7e2d9f8d69..0d08ffec99d 100644
--- a/msc.cmake
+++ b/msc.cmake
@@ -143,7 +143,7 @@ macro(add_importlib_target _exports_file)
     # Generate the asm stub file and the export def file
     add_custom_command(
         OUTPUT ${CMAKE_BINARY_DIR}/importlibs/lib${_name}_stubs.asm ${CMAKE_BINARY_DIR}/importlibs/lib${_name}_exp.def
-        COMMAND native-spec2def --ms --kill-at -r -n=${_name}.${_suffix} -d=${CMAKE_BINARY_DIR}/importlibs/lib${_name}_exp.def -l=${CMAKE_BINARY_DIR}/importlibs/lib${_name}_stubs.asm ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file}
+        COMMAND native-spec2def --ms --kill-at -r -n=${_name}${_suffix} -d=${CMAKE_BINARY_DIR}/importlibs/lib${_name}_exp.def -l=${CMAKE_BINARY_DIR}/importlibs/lib${_name}_stubs.asm ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file}
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file})
 
     # Assemble the stub file