diff --git a/libavfilter/vf_gblur_vulkan.c b/libavfilter/vf_gblur_vulkan.c
index d4f391b25d..16c8bbb189 100644
--- a/libavfilter/vf_gblur_vulkan.c
+++ b/libavfilter/vf_gblur_vulkan.c
@@ -124,7 +124,7 @@ static av_cold void init_gaussian_params(GBlurVulkanContext *s)
 
 static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in)
 {
-    int err;
+    int err = 0;
     char *kernel_def;
     uint8_t *kernel_mapped;
     FFSPIRVShader *shd;