diff --git a/src/OpenThreads/win32/CMakeLists.txt b/src/OpenThreads/win32/CMakeLists.txt
index e5b132e74..9df738a8a 100644
--- a/src/OpenThreads/win32/CMakeLists.txt
+++ b/src/OpenThreads/win32/CMakeLists.txt
@@ -96,6 +96,9 @@ INSTALL(
 
 IF(MSVC AND DYNAMIC_OPENTHREADS)
     GET_TARGET_PROPERTY(PREFIX ${LIB_NAME} PREFIX)
+    IF("${PREFIX}" STREQUAL PREFIX-NOTFOUND) # Fix for PREFIX-NOTFOUND left in file names
+	SET(PREFIX "")
+    ENDIF()
     IF( ${CMAKE_GENERATOR} STREQUAL "Ninja" )
 	INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PREFIX}${LIB_NAME}${CMAKE_RELEASE_POSTFIX}.pdb DESTINATION ${INSTALL_BINDIR} COMPONENT libopenthreads CONFIGURATIONS Release)
 	INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PREFIX}${LIB_NAME}${CMAKE_RELWITHDEBINFO_POSTFIX}.pdb DESTINATION ${INSTALL_BINDIR} COMPONENT libopenthreads CONFIGURATIONS RelWithDebInfo)