diff --git a/source/blender/gpu/intern/gpu_codegen.c b/source/blender/gpu/intern/gpu_codegen.c
index 211394e7932..c3896fbd659 100644
--- a/source/blender/gpu/intern/gpu_codegen.c
+++ b/source/blender/gpu/intern/gpu_codegen.c
@@ -360,7 +360,7 @@ static void codegen_print_datatype(DynStr *ds, const GPUType type, float *data)
 	BLI_dynstr_appendf(ds, "%s(", GPU_DATATYPE_STR[type]);
 
 	for (i = 0; i < type; i++) {
-		BLI_dynstr_appendf(ds, "%f", data[i]);
+		BLI_dynstr_appendf(ds, "%.12f", data[i]);
 		if (i == type - 1)
 			BLI_dynstr_append(ds, ")");
 		else