diff --git a/cmake/find_mimalloc.cmake b/cmake/find_mimalloc.cmake
index 9ee785e0753..45ebf90a204 100644
--- a/cmake/find_mimalloc.cmake
+++ b/cmake/find_mimalloc.cmake
@@ -3,7 +3,8 @@ if (OS_LINUX AND NOT SANITIZE AND NOT ARCH_ARM AND NOT ARCH_32 AND NOT ARCH_PPC6
 endif ()
 
 if (NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/mimalloc/include/mimalloc.h")
-   message (WARNING "submodule contrib/mimalloc is missing. to fix try run: \n git submodule update --init --recursive")
+    message (WARNING "submodule contrib/mimalloc is missing. to fix try run: \n git submodule update --init --recursive")
+    return ()
 endif ()
 
 if (ENABLE_MIMALLOC)
diff --git a/libs/libcommon/cmake/find_jemalloc.cmake b/libs/libcommon/cmake/find_jemalloc.cmake
index 3a1b14d9c33..0b1c80c8934 100644
--- a/libs/libcommon/cmake/find_jemalloc.cmake
+++ b/libs/libcommon/cmake/find_jemalloc.cmake
@@ -7,7 +7,7 @@ endif ()
 option (ENABLE_JEMALLOC "Set to TRUE to use jemalloc" ${ENABLE_JEMALLOC_DEFAULT})
 if (OS_LINUX AND NOT ARCH_ARM)
     option (USE_INTERNAL_JEMALLOC_LIBRARY "Set to FALSE to use system jemalloc library instead of bundled" ${NOT_UNBUNDLED})
-elseif ()
+else()
     option (USE_INTERNAL_JEMALLOC_LIBRARY "Set to FALSE to use system jemalloc library instead of bundled" OFF)
 endif()
 
@@ -30,7 +30,7 @@ if (ENABLE_JEMALLOC)
 
     if (JEMALLOC_LIBRARIES)
         set (USE_JEMALLOC 1)
-    else ()
+    elseif (NOT MISSING_INTERNAL_JEMALLOC_LIBRARY)
         message (FATAL_ERROR "ENABLE_JEMALLOC is set to true, but library was not found")
     endif ()