diff --git a/src/compiler/nir/nir_builtin_builder.h b/src/compiler/nir/nir_builtin_builder.h
index d1435b37fd4..792fa08e8c5 100644
--- a/src/compiler/nir/nir_builtin_builder.h
+++ b/src/compiler/nir/nir_builtin_builder.h
@@ -60,7 +60,7 @@ nir_uclamp(nir_builder *b,
 static inline nir_ssa_def *
 nir_degrees(nir_builder *b, nir_ssa_def *val)
 {
-   return nir_fmul_imm(b, val, 57.2957795131);
+   return nir_fmul_imm(b, val, 180.0 / M_PI);
 }
 
 static inline nir_ssa_def *
@@ -78,7 +78,7 @@ nir_fast_normalize(nir_builder *b, nir_ssa_def *vec)
 static inline nir_ssa_def *
 nir_radians(nir_builder *b, nir_ssa_def *val)
 {
-   return nir_fmul_imm(b, val, 0.01745329251);
+   return nir_fmul_imm(b, val, M_PI / 180.0);
 }
 
 #endif /* NIR_BUILTIN_BUILDER_H */