diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1248f096a91..8b3c8505a02 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -304,7 +304,7 @@ function(protobuf_generate_grpc_cpp)
              "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}_mock.grpc.pb.h"
              "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc"
              "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h"
-      COMMAND ${_gRPC_PROTOBUF_PROTOC}
+      COMMAND $<TARGET_FILE:${_gRPC_PROTOBUF_PROTOC}>
       ARGS --grpc_out=generate_mock_code=true:${_gRPC_PROTO_GENS_DIR}
            --cpp_out=${_gRPC_PROTO_GENS_DIR}
            --plugin=protoc-gen-grpc=$<TARGET_FILE:grpc_cpp_plugin>
diff --git a/templates/CMakeLists.txt.template b/templates/CMakeLists.txt.template
index 53ae543c4c5..0cc2ae8020f 100644
--- a/templates/CMakeLists.txt.template
+++ b/templates/CMakeLists.txt.template
@@ -349,7 +349,7 @@
                <%text>"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}_mock.grpc.pb.h"</%text>
                <%text>"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc"</%text>
                <%text>"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h"</%text>
-        COMMAND <%text>${_gRPC_PROTOBUF_PROTOC}</%text>
+        COMMAND <%text>$<TARGET_FILE:${_gRPC_PROTOBUF_PROTOC}></%text>
         ARGS --grpc_out=<%text>generate_mock_code=true:${_gRPC_PROTO_GENS_DIR}</%text>
              --cpp_out=<%text>${_gRPC_PROTO_GENS_DIR}</%text>
              --plugin=protoc-gen-grpc=$<TARGET_FILE:grpc_cpp_plugin>