diff --git a/test/BugPoint/crash-narrowfunctiontest.ll b/test/BugPoint/crash-narrowfunctiontest.ll
index aec90f1960a..19fdab4ecd6 100644
--- a/test/BugPoint/crash-narrowfunctiontest.ll
+++ b/test/BugPoint/crash-narrowfunctiontest.ll
@@ -1,7 +1,7 @@
 ; Test that bugpoint can narrow down the testcase to the important function
 ; FIXME: This likely fails on windows
 ;
-; RUN: bugpoint -load %llvmlibsdir/BugpointPasses.so %s -output-prefix %t -bugpoint-crashcalls -silence-passes > /dev/null
+; RUN: bugpoint -load %llvmlibsdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashcalls -silence-passes > /dev/null
 
 define i32 @foo() { ret i32 1 }
 
diff --git a/test/BugPoint/remove_arguments_test.ll b/test/BugPoint/remove_arguments_test.ll
index 62a4dd32ac8..089aefb6e00 100644
--- a/test/BugPoint/remove_arguments_test.ll
+++ b/test/BugPoint/remove_arguments_test.ll
@@ -1,5 +1,5 @@
 ; FIXME: This likely fails on windows
-; RUN: bugpoint -load %llvmlibsdir/BugpointPasses.so %s -output-prefix %t -bugpoint-crashcalls -silence-passes
+; RUN: bugpoint -load %llvmlibsdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashcalls -silence-passes
 ; RUN: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
 
 ; Test to make sure that arguments are removed from the function if they are