diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index 3352edd0..9cf39144 100755
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -4630,6 +4630,10 @@ spv::Id TGlslangToSpvTraverser::createUnaryOperation(glslang::TOperator op, OpDe
         unaryOp = spv::OpFwidthCoarse;
         break;
     case glslang::EOpInterpolateAtCentroid:
+#ifdef AMD_EXTENSIONS
+        if (typeProxy == glslang::EbtFloat16)
+            builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
+#endif
         builder.addCapability(spv::CapabilityInterpolationFunction);
         libCall = spv::GLSLstd450InterpolateAtCentroid;
         break;
@@ -6097,10 +6101,18 @@ spv::Id TGlslangToSpvTraverser::createMiscOperation(glslang::TOperator op, spv::
         libCall = spv::GLSLstd450Refract;
         break;
     case glslang::EOpInterpolateAtSample:
+#ifdef AMD_EXTENSIONS
+        if (typeProxy == glslang::EbtFloat16)
+            builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
+#endif
         builder.addCapability(spv::CapabilityInterpolationFunction);
         libCall = spv::GLSLstd450InterpolateAtSample;
         break;
     case glslang::EOpInterpolateAtOffset:
+#ifdef AMD_EXTENSIONS
+        if (typeProxy == glslang::EbtFloat16)
+            builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
+#endif
         builder.addCapability(spv::CapabilityInterpolationFunction);
         libCall = spv::GLSLstd450InterpolateAtOffset;
         break;
@@ -6251,6 +6263,8 @@ spv::Id TGlslangToSpvTraverser::createMiscOperation(glslang::TOperator op, spv::
         break;
 
     case glslang::EOpInterpolateAtVertex:
+        if (typeProxy == glslang::EbtFloat16)
+            builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
         extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_explicit_vertex_parameter);
         libCall = spv::InterpolateAtVertexAMD;
         break;