diff --git a/src/protocols/ColorManagement.cpp b/src/protocols/ColorManagement.cpp
index aee3b9f0..7309cf71 100644
--- a/src/protocols/ColorManagement.cpp
+++ b/src/protocols/ColorManagement.cpp
@@ -8,6 +8,8 @@
 
 using namespace NColorManagement;
 
+const auto PRIMARIES_SCALE = 1000000.0f;
+
 CColorManager::CColorManager(SP<CWpColorManagerV1> resource) : m_resource(resource) {
     if UNLIKELY (!good())
         return;
@@ -610,10 +612,10 @@ CColorManagementParametricCreator::CColorManagementParametricCreator(SP<CWpImage
                 return;
             }
             m_settings.primariesNameSet = false;
-            m_settings.primaries        = SPCPRimaries{.red   = {.x = r_x / 1000000.0f, .y = r_y / 1000000.0f},
-                                                       .green = {.x = g_x / 1000000.0f, .y = g_y / 1000000.0f},
-                                                       .blue  = {.x = b_x / 1000000.0f, .y = b_y / 1000000.0f},
-                                                       .white = {.x = w_x / 1000000.0f, .y = w_y / 1000000.0f}};
+            m_settings.primaries        = SPCPRimaries{.red   = {.x = r_x / PRIMARIES_SCALE, .y = r_y / PRIMARIES_SCALE},
+                                                       .green = {.x = g_x / PRIMARIES_SCALE, .y = g_y / PRIMARIES_SCALE},
+                                                       .blue  = {.x = b_x / PRIMARIES_SCALE, .y = b_y / PRIMARIES_SCALE},
+                                                       .white = {.x = w_x / PRIMARIES_SCALE, .y = w_y / PRIMARIES_SCALE}};
             m_valuesSet |= PC_PRIMARIES;
         });
     m_resource->setSetLuminances([this](CWpImageDescriptionCreatorParamsV1* r, uint32_t min_lum, uint32_t max_lum, uint32_t reference_lum) {
@@ -641,10 +643,10 @@ CColorManagementParametricCreator::CColorManagementParametricCreator(SP<CWpImage
                 r->error(WP_COLOR_MANAGER_V1_ERROR_UNSUPPORTED_FEATURE, "Mastering primaries are not supported");
                 return;
             }
-            m_settings.masteringPrimaries = SPCPRimaries{.red   = {.x = r_x / 1000000.0f, .y = r_y / 1000000.0f},
-                                                         .green = {.x = g_x / 1000000.0f, .y = g_y / 1000000.0f},
-                                                         .blue  = {.x = b_x / 1000000.0f, .y = b_y / 1000000.0f},
-                                                         .white = {.x = w_x / 1000000.0f, .y = w_y / 1000000.0f}};
+            m_settings.masteringPrimaries = SPCPRimaries{.red   = {.x = r_x / PRIMARIES_SCALE, .y = r_y / PRIMARIES_SCALE},
+                                                         .green = {.x = g_x / PRIMARIES_SCALE, .y = g_y / PRIMARIES_SCALE},
+                                                         .blue  = {.x = b_x / PRIMARIES_SCALE, .y = b_y / PRIMARIES_SCALE},
+                                                         .white = {.x = w_x / PRIMARIES_SCALE, .y = w_y / PRIMARIES_SCALE}};
             m_valuesSet |= PC_MASTERING_PRIMARIES;
 
             // FIXME:
@@ -744,7 +746,7 @@ CColorManagementImageDescriptionInfo::CColorManagementImageDescriptionInfo(SP<CW
 
     m_client = m_resource->client();
 
-    const auto toProto = [](float value) { return sc<int32_t>(std::round(value * 10000)); };
+    const auto toProto = [](float value) { return sc<int32_t>(std::round(value * PRIMARIES_SCALE)); };
 
     if (m_settings.icc.fd >= 0)
         m_resource->sendIccFile(m_settings.icc.fd, m_settings.icc.length);