diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index ea2b03d..717147f 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -50,11 +50,15 @@ if( NOT KRB5_FOUND)
     COMMAND ${KRB5_CONFIG_EXECUTABLE} --libs
     OUTPUT_VARIABLE KRB5_LIBRARIES
     ERROR_VARIABLE KRB5_LIBRARIES
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_STRIP_TRAILING_WHITESPACE
   )
   execute_process(
     COMMAND ${KRB5_CONFIG_EXECUTABLE} --cflags
     OUTPUT_VARIABLE KRB5_INCLUDE_DIRS
     ERROR_VARIABLE KRB5_INCLUDE_DIRS
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_STRIP_TRAILING_WHITESPACE
   )
   if( NOT "${KRB5_LIBRARIES}" STREQUAL "" )
     set( KRB5_FOUND 1 )