diff --git a/adm/cmake/jemalloc.cmake b/adm/cmake/jemalloc.cmake
index 4642c54226..8161700ad4 100644
--- a/adm/cmake/jemalloc.cmake
+++ b/adm/cmake/jemalloc.cmake
@@ -32,7 +32,12 @@ function (JEMALLOC_LIB_SEARCH MMGR_LIB PREFIX)
     list (APPEND 3RDPARTY_NO_LIBS 3RDPARTY_JEMALLOC_LIBRARY_DIR_${MMGR_LIB} PARENT_SCOPE)
     set (3RDPARTY_JEMALLOC_LIBRARY_${PREFIX}_${MMGR_LIB} "" PARENT_SCOPE)
   endif()
-  set (JEMALLOC_IS_STATIC_LIB ("${PREFIX}" STREQUAL "STATIC"))
+
+  set(JEMALLOC_IS_STATIC_LIB FALSE)
+  if ("${PREFIX}" STREQUAL "STATIC")
+    set(JEMALLOC_IS_STATIC_LIB TRUE)
+  endif()
+
   if (${JEMALLOC_IS_STATIC_LIB})
     set (OLD_CSF_MMGR ${CSF_MMGR})
     list (APPEND OLD_CSF_MMGR "${3RDPARTY_JEMALLOC_LIBRARY_${PREFIX}_${MMGR_LIB}}")