diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.c b/src/gallium/auxiliary/gallivm/lp_bld_init.c
index 7f616620772..24d082398e9 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_init.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.c
@@ -421,18 +421,22 @@ fail:
 }
 
 unsigned
-lp_build_get_native_width(void)
+lp_build_init_native_width(void)
 {
    // Default to 256 until we're confident llvmpipe with 512 is as correct and not slower than 256
-   unsigned vector_width = MIN2(util_get_cpu_caps()->max_vector_bits, 256);
+   lp_native_vector_width = MIN2(util_get_cpu_caps()->max_vector_bits, 256);
+   assert(lp_native_vector_width);
 
-   vector_width = debug_get_num_option("LP_NATIVE_VECTOR_WIDTH", vector_width);
-   return vector_width;
+   lp_native_vector_width = debug_get_num_option("LP_NATIVE_VECTOR_WIDTH", lp_native_vector_width);
+   assert(lp_native_vector_width);
+
+   return lp_native_vector_width;
 }
 
 boolean
 lp_build_init(void)
 {
+   lp_build_init_native_width();
    if (gallivm_initialized)
       return TRUE;
 
@@ -449,8 +453,6 @@ lp_build_init(void)
 
    lp_set_target_options();
 
-   lp_native_vector_width = lp_build_get_native_width();
-
 #if DETECT_ARCH_PPC_64
    /* Set the NJ bit in VSCR to 0 so denormalized values are handled as
     * specified by IEEE standard (PowerISA 2.06 - Section 6.3). This guarantees
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_init.h b/src/gallium/auxiliary/gallivm/lp_bld_init.h
index d462c8c3fe5..be41a34485b 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_init.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_init.h
@@ -69,7 +69,7 @@ struct gallivm_state
 };
 
 unsigned
-lp_build_get_native_width(void);
+lp_build_init_native_width(void);
 
 boolean
 lp_build_init(void);
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index dc8c9388d44..7774056bb08 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -1114,7 +1114,7 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
 
    snprintf(screen->renderer_string, sizeof(screen->renderer_string),
             "llvmpipe (LLVM " MESA_LLVM_VERSION_STRING ", %u bits)",
-            lp_build_get_native_width() );
+            lp_build_init_native_width() );
 
    list_inithead(&screen->ctx_list);
    (void) mtx_init(&screen->ctx_mutex, mtx_plain);