diff --git a/configure.ac b/configure.ac
index f37038db3c7..caaa09d1c92 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1376,6 +1376,10 @@ if test "x$enable_opencl" = xyes; then
         AC_MSG_ERROR([cannot enable OpenCL without Gallium])
     fi
 
+    if test "x$enable_gallium_llvm" != xyes; then
+        AC_MSG_ERROR([cannot enable OpenCL without LLVM])
+    fi
+
     if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 7; then
         AC_MSG_ERROR([gcc >= 4.7 is required to build clover])
     fi